The Arcanum Sanctorum

Creature — Faerie Rogue

Flying This creature enters with a -1/-1 counter on it. {2}{U}, Remove a counter from this creature: Whenever a creature you control deals combat damage to a player or planeswalker this turn, draw a card.

Sorcery

Look at the top three cards of your library. Put one of them into your hand and the rest on the bottom of your library in any order. If there is an instant card and a sorcery card in your graveyard, instead put two of them into your hand and the rest on the bottom of your library in any order.

Creature — Jellyfish

Defender, flying Whenever this creature is dealt damage, you and target opponent each draw a card.

Creature — Vedalken Artificer Detective

Whenever you cast an artifact spell, investigate. (Create a Clue token. It's an artifact with "{2}, Sacrifice this token: Draw a card.") Activated abilities of artifacts you control cost {1} less to activate. This effect can't reduce the mana in that cost to less than one mana.

Legendary Creature — Dragon

Flying Gadrak can't attack unless you control four or more artifacts. At the beginning of your end step, create a Treasure token for each nontoken creature that died this turn. (It's an artifact with "{T}, Sacrifice this token: Add one mana of any color.")

Legendary Land

{T}: Add {C}. {2}, {T}: Each player draws a card, then discards a card.

Sorcery

Look at the top five cards of your library. Put any number of permanent cards from among them onto the battlefield and the rest into your hand. Exile Genesis Ultimatum.

Legendary Creature — Zombie God

Menace When God-Eternal Bontu enters, sacrifice any number of other permanents, then draw that many cards. When God-Eternal Bontu dies or is put into exile from the battlefield, you may put it into its owner's library third from the top.

Creature — Merfolk Rogue

Whenever this creature becomes tapped, exile the top three cards of target opponent's library face down. You may look at cards exiled with this creature. {U}, Sacrifice this creature: Turn all cards exiled with this creature face up. Counter all spells with those names.

Legendary Creature — Ox Mole Mutant

Trample Whenever you tap a land for mana, add {G}.

Legendary Creature — Demon Kraken

Companion — Your starting deck contains only cards with even mana values. (If this card is your chosen companion, you may put it into your hand from outside the game for {3} as a sorcery.) When Gyruda enters, each player mills four cards. Put a creature card with an even mana value from among the milled cards onto the battlefield under your control.

Creature — Rabbit Noble

When this creature enters, create a number of 1/1 white Rabbit creature tokens equal to the number of other creatures you control named Hare Apparent. A deck can have any number of cards named Hare Apparent.

Artifact — Equipment

Equipped creature gets +2/+1 and has "{T}, Unattach Heartseeker: Destroy target creature." Equip {5} ({5}: Attach to target creature you control. Equip only as a sorcery.)

Legendary Creature — Vampire // Legendary Creature — Vampire

Creature — Kraken Horror

Flash This spell can't be countered. Whenever you cast a spell, choose up to one — • Return target spell you don't control to its owner's hand. • Return target nonland permanent to its owner's hand.

Sorcery

Suspend 3—{1}{G}{G} Starting with you, each player may put an artifact, creature, enchantment, or land card from their hand onto the battlefield. Repeat this process until no one puts a card onto the battlefield.

Creature — Human Werewolf // Creature — Werewolf

Artifact — Equipment

Equipped creature gets +1/+0 for each artifact you control. {4}{R}: Create a token that's a copy of this Equipment. Equip {R}

Sorcery

Draw four cards. You lose half your life, rounded up.

Legendary Creature — Kirin Spirit

Flying Whenever you cast a Spirit or Arcane spell, target player reveals their hand and discards all cards with that spell's mana value.

Creature — Human Soldier

{T}: Destroy target creature with power 4 or greater.

Battle — Siege // Legendary Planeswalker — Teferi

Instant

Counter target spell if it shares a color with a creature you control.

Legendary Creature — Human Elf Druid

Tokens you control have "{T}: Add {G}." Choose a Background (You can have a Background as a second commander.)

Legendary Creature — Elemental Elk

Companion — No card in your starting deck has more than one of the same mana symbol in its mana cost. (If this card is your chosen companion, you may put it into your hand from outside the game for {3} as a sorcery.) {T}: Add {W}{U}{B}{R}{G}. This mana can't be spent to pay generic mana costs.

Enchantment — Saga // Enchantment Creature — Dragon Spirit

Legendary Sorcery

(You may cast a legendary sorcery only if you control a legendary creature or planeswalker.) Target player takes an extra turn after this one. Return up to one target nonland permanent to its owner's hand. Exile Karn's Temporal Sundering.

Legendary Creature — Human Assassin

Vigilance, haste Kelsien gets +1/+1 for each experience counter you have. {T}: Kelsien deals 1 damage to target creature you don't control. When that creature dies this turn, you get an experience counter.

Legendary Artifact Creature — Utrom Warrior

Affinity for artifacts (This spell costs {1} less to cast for each artifact you control.) When Krang enters, if you have fewer than four cards in hand, draw cards equal to the difference. Krang gets +1/+0 for each other artifact you control.

Enchantment

If this card is in your opening hand, you may begin the game with it on the battlefield. If a card would be put into an opponent's graveyard from anywhere, exile it instead.

Creature — Elemental

Lord of Extinction's power and toughness are each equal to the number of cards in all graveyards.

Artifact — Equipment

Equipped creature gets +3/+0 and has trample and lifelink. Equip {3}

Creature — Human Cleric

At the beginning of combat on your turn, put a +1/+1 counter on target creature you control.

Enchantment

Whenever a player taps a land for mana, that player adds one mana of any type that land produced.

Sorcery

Choose target creature you control. Destroy all creatures with power less than that creature's power.

Instant

As an additional cost to cast this spell, you may exile any number of white cards from your hand. This spell costs {2} less to cast for each card exiled this way. Exile target artifact, creature, or enchantment with mana value X or less.

Instant

As an additional cost to cast this spell, you may exile any number of blue cards from your hand. This spell costs {2} less to cast for each card exiled this way. Up to X target creatures phase out. (While they're phased out, they're treated as though they don't exist. Each one phases in before its controller untaps during their next untap step.)

Artifact Creature — Human Artificer

{U}, {T}, Return an artifact you control to its owner's hand: You may put an artifact card from your hand onto the battlefield.

Legendary Creature — Mutant Ninja Turtle

Sneak {2}{G}{G} (You may cast this spell for {2}{G}{G} if you also return an unblocked attacker you control to hand during the declare blockers step. He enters tapped and attacking.) Whenever Michelangelo deals combat damage to a player, you may put a creature card and/or a land card from your hand onto the battlefield.

Creature — Spirit

Wither (This deals damage to creatures in the form of -1/-1 counters.) At the beginning of your upkeep, put a -1/-1 counter on each nonblack creature.

Legendary Creature — Mutant Ninja Turtle

Ward {2} You may look at the top card of your library any time. You may play lands and cast Mutant, Ninja, or Turtle spells from the top of your library. If you cast a creature spell this way, that creature enters with an additional +1/+1 counter on it.

Legendary Creature — Mutant Ninja Turtle

Whenever you put a counter on a creature you control, draw a card. This ability triggers only once each turn.

Legendary Creature — Gnome Wizard

Whenever you draw your second card each turn, create a 1/1 blue Illusion creature token with "This token gets +1/+0 for each other Illusion you control." Whenever an Illusion you control dies, you may put a permanent card with mana value less than or equal to that creature's power from your hand onto the battlefield.

Creature — Shapeshifter

Changeling (This card is every creature type.) {X}: Until end of turn, creatures you control have base power and toughness X/X and gain all creature types.

Creature — Spirit // Enchantment — Aura

Artifact — Equipment

As long as this Equipment is attached to a creature, the first time you would create one or more tokens each turn, you may instead create that many tokens that are copies of equipped creature. Equip {2}

Instant

Each other creature becomes a copy of target nonlegendary creature until end of turn.

Creature — Dragon

{0}: This creature gains flying. (This effect lasts indefinitely.) {0}: This creature loses flying. (This effect lasts indefinitely.) {3}{U}{U}: This creature phases out. (While it's phased out, it's treated as though it doesn't exist. It phases in before you untap during your next untap step.)

Creature — Goblin Bard

Menace Opus — Whenever you cast an instant or sorcery spell, put a +1/+1 counter on this creature. If five or more mana was spent to cast that spell, add an amount of {R} equal to this creature's power.

Sorcery

Choose up to four. You may choose the same mode more than once. • Destroy target nonland permanent. • Return target nonland permanent card from your graveyard to the battlefield.

Creature — Horror

Other green creatures you control get +1/+1. Other blue creatures you control get +1/+1. Untap all green and/or blue creatures you control during each other player's untap step.

Legendary Creature — Ooze Mutant

Trample Activated abilities of artifact tokens you control cost {1} less to activate. When Mutagen Man enters, create X Mutagen tokens. (They're artifacts with "{1}, {T}, Sacrifice this token: Put a +1/+1 counter on target creature. Activate only as a sorcery.")

Land — Island

({T}: Add {U}.) This land enters tapped unless you control three or more other Islands. When this land enters untapped, you may put target instant or sorcery card from your graveyard on top of your library.

Creature — Snake

Flash When this creature enters, counter target spell.

Sorcery

Choose target creature you control. Each other creature becomes a copy of that creature until end of turn, except it isn't legendary.

Enchantment

{1}, Exile two creature cards from a single graveyard: Create a 1/1 green Saproling creature token.

Legendary Enchantment

When Oath of Gideon enters, create two 1/1 white Kor Ally creature tokens. Each planeswalker you control enters with an additional loyalty counter on it.

Snow Creature — Snake

Attacking creatures you control have deathtouch. Whenever a creature you control deals combat damage to a player, draw a card.

Legendary Enchantment — Aura

Enchant creature Enchanted creature is legendary, gets +1/+1, and has flying, vigilance, and lifelink.