Terracrux

Creature — Bird

Mutate {5}{U} (If you cast this spell for its mutate cost, put it over or under target non-Human creature you own. They mutate into the creature on top plus all abilities from under it.) Flying Whenever this creature mutates, gain control of target noncreature artifact.

Legendary Creature — Cat Noble

Ward {2} Whenever Sovereign Okinec Ahau attacks, for each creature you control with power greater than that creature's base power, put a number of +1/+1 counters on that creature equal to the difference.

Sorcery

Target player loses 3 life and you gain 3 life.

Creature — Spirit

Exalted (Whenever a creature you control attacks alone, that creature gets +1/+1 until end of turn.) Whenever a creature you control attacks alone, you may search your library for an Aura card that could enchant that creature, put it onto the battlefield attached to that creature, then shuffle.

Creature — Faerie Wizard

Flying When this creature enters, gain control of target creature for as long as this creature remains on the battlefield.

Land — Forest Plains Island

({T}: Add {G}, {W}, or {U}.) This land enters tapped. Cycling {3} ({3}, Discard this card: Draw a card.)

Artifact

This artifact enters tapped. When this artifact enters, draw a card. {2}, {T}, Sacrifice this artifact: Draw a card.

Creature — Illusion

You may have this creature enter as a copy of a creature or planeswalker you control, except it enters with an additional +1/+1 counter on it if it's a creature, it enters with an additional loyalty counter on it if it's a planeswalker, and it isn't legendary.

Token Creature — Elemental

Trample, haste At the beginning of the end step, sacrifice Spark Elemental.

Instant

({C} represents colorless mana.) Target creature gets +3/-3 until end of turn.

Creature — Demon

Spectacle {1}{B}{B} (You may cast this spell for its spectacle cost rather than its mana cost if an opponent lost life this turn.) Flying, trample At the beginning of your upkeep, this creature deals 1 damage to each player. Then if you have 10 or less life, put a +1/+1 counter on this creature.

Creature — Dragon

Flying When this creature enters, it deals damage to any target equal to the number of Mountains you control.

Creature — Eldrazi

At the beginning of your end step, return up to one target Eldrazi creature card from your graveyard to your hand. Create two 1/1 colorless Eldrazi Scion creature tokens with "Sacrifice this token: Add {C}."

Land

{T}: Add {C}. {6}, {T}, Sacrifice this land: Create three 1/1 colorless Eldrazi Scion creature tokens. They have "Sacrifice this token: Add {C}."

Artifact

Sacrifice a creature: Put a charge counter on this artifact. {1}, Remove two charge counters from this artifact: Create a 2/2 colorless Spawn artifact creature token.

Creature — Eldrazi

Annihilator 1 (Whenever this creature attacks, defending player sacrifices a permanent of their choice.) {4}: Create two 0/1 colorless Eldrazi Spawn creature tokens. They have "Sacrifice this token: Add {C}." {20}: Cast any number of Eldrazi spells from among cards you own outside the game without paying their mana costs.

Creature — Human Cleric

Vigilance, lifelink (Attacking doesn't cause this creature to tap. Damage dealt by this creature also causes you to gain that much life.) {T}: Create a 4/4 white Angel creature token with flying. Activate only if you have at least 7 life more than your starting life total and only as a sorcery.

Creature — Goblin Warrior

Defender {T}: This creature deals 1 damage to each player.

Legendary Enchantment Artifact

Creatures you control get +1/+1. {1}{W}{W}, {T}: Destroy target creature that dealt damage to you this turn.

Creature — Human Warrior

As this creature enters, choose a creature type. Whenever a creature of the chosen type dies, you may draw a card.

Land

This land enters tapped. {T}: Add {U} or {R}. {2}{U}{R}, {T}: Surveil 1. (Look at the top card of your library. You may put it into your graveyard.)

Creature — Elemental Whale

Flying Opus — Whenever you cast an instant or sorcery spell, this creature gets +3/+0 until end of turn. If five or more mana was spent to cast that spell, put three +1/+1 counters on this creature instead.

Land

This land enters tapped unless you have two or more opponents. {T}: Add {R} or {W}.

Enchantment — Aura

Enchant creature Enchanted creature gets +2/+2 and has protection from each color. This effect doesn't remove Auras. (It can't be blocked, targeted, or dealt damage by anything that's white, blue, black, red, or green.)

Sorcery

Return each creature your opponents control with toughness X or less to its owner's hand, where X is the number of Islands you control. Foretell {1}{U}{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.)

Sorcery

Create three 1/1 white Spirit creature tokens with flying.

Creature — Spirit Pirate

Flash (You may cast this spell any time you could cast an instant.) Flying {3}{U}: Draw a card.

Creature — Human Pilot

Haste Whenever this creature crews a Vehicle, that Vehicle gains haste until end of turn.

Instant

Counter target noncreature spell unless its controller pays {2}.

Creature — Spirit

Flash Flying When this creature enters, exile target spell with mana value 4 or less. When this creature leaves the battlefield, the exiled card's owner may cast that card without paying its mana cost.

Instant

Devoid (This card has no color.) Counter target spell unless its controller pays {4}. If that spell is countered this way, exile it instead of putting it into its owner's graveyard.

Instant

Counter target spell with mana value 2.

Instant

Counter target spell. Create X Treasure tokens, where X is that spell's mana value. (They're artifacts with "{T}, Sacrifice this token: Add one mana of any color.")

Artifact — Book

You have no maximum hand size.

Creature — Human Wizard

When this creature enters, you may search your library for an instant or sorcery card with mana value 2 or less, reveal it, put it into your hand, then shuffle.

Enchantment

Whenever a player casts a spell, this enchantment deals 2 damage to that player.

Artifact Creature — Phyrexian Horror

{U/P}: Change a target of target spell or ability to this creature. ({U/P} can be paid with either {U} or 2 life.)

Creature — Faerie Wizard

Flash Flying When this creature enters, counter target spell with mana value X or less, where X is the number of Faeries you control.

Sorcery

Exile target instant or sorcery card from your graveyard and target instant or sorcery card from an opponent's graveyard. Copy those cards. Cast the copies if able without paying their mana costs. Exile Spelltwine.

Enchantment

When this enchantment enters, draw a card, then you may put a land card from your hand onto the battlefield. If you put a Cave onto the battlefield this way, you gain 4 life. Lands you control enter untapped.

Enchantment

Creatures can't attack you or planeswalkers you control unless their controller pays {X} for each of those creatures, where X is the number of enchantments you control.

Artifact

This artifact enters tapped and with three charge counters on it. {T}, Remove a charge counter from this artifact: Add one mana of any color.

Creature — Sphinx

Flying When this creature enters, target opponent draws a card and you draw three cards.

Creature — Sphinx

You may reveal this card from your opening hand. If you do, scry 3 at the beginning of your first upkeep. Flying At the beginning of your upkeep, scry 1.

Creature — Sphinx

This spell can't be countered. Flying Hexproof (This creature can't be the target of spells or abilities your opponents control.) Instant and sorcery spells you control can't be countered.

Instant

You gain X life and draw X cards.

Enchantment

Whenever you draw a card, target opponent mills two cards. If two nonland cards that share a color were milled this way, repeat this process. {5}{U}: Draw a card, then discard a card.

Sorcery

Create a 1/2 green Spider creature token with reach for each creature card in your graveyard. Flashback {6}{B} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Enchantment — Aura

Enchant creature Enchanted creature gets +1/+1 and has reach. (It can block creatures with flying.) Umbra armor (If enchanted creature would be destroyed, instead remove all damage from it and destroy this Aura.)

Legendary Creature — Spider Boar Hero

When Spider-Ham enters, create a Food token. (It's an artifact with "{2}, {T}, Sacrifice this token: You gain 3 life.") Animal May-Ham — Other Spiders, Boars, Bats, Bears, Birds, Cats, Dogs, Frogs, Jackals, Lizards, Mice, Otters, Rabbits, Raccoons, Rats, Squirrels, Turtles, and Wolves you control get +1/+1.

Legendary Creature — Spider Human Hero

When Spider-Man 2099 enters, return up to one target creature to its owner's hand. Whenever one or more creatures you control deal combat damage to a player, draw a card.

Legendary Creature — Spider Human Hero

Vigilance, trample (Attacking doesn't cause this creature to tap. He can deal excess combat damage to the player he's attacking.) Whenever Spider-Man enters or attacks, put a +1/+1 counter on each other creature you control. Those creatures gain trample until end of turn.