The Relentless Dragon

Instant

Destroy each creature with mana value 3 or less. They can't be regenerated.

Creature — Horror

Consuming Aberration's power and toughness are each equal to the number of cards in your opponents' graveyards. Whenever you cast a spell, each opponent reveals cards from the top of their library until they reveal a land card, then puts those cards into their graveyard.

Sorcery

Each player chooses a nonland permanent they control. Return all nonland permanents not chosen this way to their owners' hands. Then you draw a card for each opponent who has more cards in their hand than you.

Sorcery

Target player sacrifices a creature of their choice. You gain life equal to that creature's toughness. Rebound (If you cast this spell from your hand, exile it as it resolves. At the beginning of your next upkeep, you may cast this card from exile without paying its mana cost.)

Creature — Ooze

{2}{B}{B}: Target creature gets -1/-1 until end of turn. Put a +1/+1 counter on this creature.

Artifact

When this artifact enters, put a -1/-1 counter on target creature. {4}, {T}: Proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

Creature — Human Cleric

Flash If a nontoken creature would enter and it wasn't cast, exile it instead.

Creature — Phyrexian Druid

Trample, toxic 1 Whenever one or more creatures you control deal combat damage to one or more players, proliferate. Corrupted — At the beginning of your end step, if an opponent has three or more poison counters, draw a card, then you may put a land card from your hand onto the battlefield.

Land

{T}: Add {C}. {T}, Sacrifice this land: Search your library for a basic Plains, Island, or Swamp card, put it onto the battlefield tapped, then shuffle. Cycling {W}{U}{B} ({W}{U}{B}, Discard this card: Draw a card.)

Land

{T}: Add {C}. {R}{G}, {T}: Target Beast creature you control fights target creature an opponent controls. (Each deals damage equal to its power to the other.)

Land

Whenever a creature deals combat damage to you, that creature's controller gains control of this land. {T}: Add {C}. {1}, {T}: Attacking creatures get +1/+0 until end of turn.

Creature — Human

This creature enters with X +1/+1 counters on it. Coven — At the beginning of your end step, if you control three or more creatures with different powers, put a +1/+1 counter on target creature you control.

Sorcery

Destroy target creature. Create two Treasure tokens. (They're artifacts with "{T}, Sacrifice this token: Add one mana of any color.")

Creature — Whale

This spell can't be countered. Shroud Control Win Condition's power and toughness are each equal to the number of turns you've taken this game. (If this is in your deck, please keep track of your turns. This means you, Mark.)

Creature — Sphinx

Flying Whenever this creature attacks, each player chooses a card name. Then each player reveals the top card of their library. If the card a player revealed has the name they chose, that player puts it into their hand. If it doesn't, that player puts it on the bottom of their library.

Enchantment

At the beginning of your upkeep, if you have 10 or less life, you gain 1 life.

Enchantment

At the beginning of your upkeep, if you have 5 or less life, you gain 3 life and draw a card.

Artifact

Dynastic Command Node — As long as you control your commander, activated abilities of cards in your graveyard cost {2} less to activate. This effect can't reduce the mana in that ability's activation cost to less than one mana. Translocation Protocols — {3}, {T}: Mill three cards.

Enchantment

At the beginning of your upkeep, sacrifice this enchantment unless you pay {W}{W}. All Mountains are Plains.

Artifact — Equipment

Equipped creature gets +2/+2 and can't block. Equip {3} ({3}: Attach to target creature you control. Equip only as a sorcery.)

Land

This land enters tapped unless you control two or fewer other lands. {T}: Add {R} or {G}.

Creature — Merfolk Wizard

Whenever you cast a kicked spell, draw a card, then discard a card. When this creature enters, look at the top five cards of your library. You may reveal a card with a kicker ability from among them and put it into your hand. Put the rest on the bottom of your library in a random order.

Artifact Creature — Myr

{T}: Put a charge counter on target artifact. Sacrifice this creature: Put two charge counters on target artifact.

Legendary Creature — Vampire Rogue

Haste {1}, {T}: Add {U}{B}{R}. Spend this mana only to cast instant and/or sorcery spells. When Cormela dies, return up to one target instant or sorcery card from your graveyard to your hand.

Creature — Lizard Warrior

When this creature enters, you may sacrifice an artifact. When you do, this creature deals 3 damage to any target.

Enchantment

Players can't cast spells with the same name as a nontoken permanent. Players can't play nonbasic lands with the same name as a nontoken permanent.

Creature — Vampire Rogue

When this creature enters, exile up to one target creature card from a graveyard. If a card is put into exile this way, look at the top three cards of your library, then put one of those cards into your hand and the rest into your graveyard.

Enchantment

Skeletons you control get +1/+0 and have haste. When this enchantment enters, create a 2/2 black Skeleton Pirate creature token. At the beginning of your end step, if you descended this turn, you may pay 1 life. If you do, return this enchantment to its owner's hand. (You descended if a permanent card was put into your graveyard from anywhere.)

Enchantment

{1}{B}, Exile one or more creature cards from your graveyard: Create a tapped X/X black Zombie Horror creature token, where X is twice the number of cards exiled this way.

Enchantment

Cumulative upkeep {1} (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.) At the beginning of your upkeep, put a rust counter on each artifact target opponent controls. Then destroy each artifact with mana value less than or equal to the number of rust counters on it. Artifacts destroyed this way can't be regenerated. When this enchantment leaves the battlefield, remove all rust counters from all permanents.

Creature — Human Advisor

When this creature enters, target opponent discards a card.

Land

{T}: Add {C}. ({C} represents colorless mana.) {T}, Pay 1 life: Add one mana of any color. Spend this mana only to cast a spell with devoid.

Artifact

This artifact enters tapped. {T}: Choose a color of a card in your graveyard. Add one mana of that color.

Creature — Eldrazi Shapeshifter

Devoid (This card has no color.) As this creature enters, it becomes your choice of a 3/3 creature with flying, a 2/5 creature with vigilance, or a 0/12 creature with defender.

Creature — Horror

First strike At the beginning of your upkeep, destroy this creature unless you pay {3}{B}{B}{B}. If this creature is destroyed this way, it deals 7 damage to you.

Creature — Beast

Trample At the beginning of your upkeep, sacrifice this creature unless you sacrifice two lands.

Creature — Elemental Lhurgoyf

Cosmogoyf's power is equal to the number of cards you own in exile and its toughness is equal to that number plus 1.

Creature — Horse Spirit

Flash Flying Foretelling cards from your hand costs {1} less and can be done on any player's turn. Foretell {2}{U} (During your turn, you may pay {2} and exile this card from your hand face down. Cast it on a later turn for its foretell cost.)

Artifact

This artifact enters with two +1/+1 counters on it. {T}: Move a +1/+1 counter from this artifact onto target creature you control. Activate only as a sorcery. Whenever a modified creature you control leaves the battlefield, put a +1/+1 counter on this artifact. (Equipment, Auras you control, and counters are modifications.)

Creature — Human Advisor

As this creature enters, choose a noncreature, nonland card name. Your opponents can't cast spells with the chosen name. Spells with the chosen name you cast cost {2} less to cast.

Sorcery

Will of the council — Starting with you, each player votes for a nonland permanent you don't control. Exile each permanent with the most votes or tied for most votes.

Instant

Counter target spell. Search its controller's graveyard, hand, and library for all cards with the same name as that spell and exile them. Then that player shuffles.

Instant

Counter target spell. You may cast a spell that shares a card type with it from your hand without paying its mana cost.

Instant

Counter target spell.

Instant

Counter target noncreature spell. Its controller loses 2 life.

Artifact — Treasure

When this artifact enters, create a 1/1 green and white Citizen creature token. {T}, Sacrifice this artifact: Add one mana of any color. {W}{U}{B}{R}{G}, {T}, Sacrifice this artifact: Draw three cards.

Enchantment

When this enchantment enters, you become the monarch. At the beginning of your upkeep, any number of target players each mill two cards. If you're the monarch, each of those players mills ten cards instead. (To mill a card, a player puts the top card of their library into their graveyard.)

Sorcery

Reveal the top three cards of your library. Target opponent may choose to put those cards into your hand. If they don't, put those cards into your graveyard and draw five cards.

Snow Enchantment

Cumulative upkeep {S} (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it. {S} can be paid with one mana from a snow source.) If a creature would deal combat damage to you and/or one or more creatures you control, prevent X of that damage, where X is the number of age counters on this enchantment. {S}: Put an age counter on this enchantment.