Terracrux

Creature — Possum Mount

Whenever this creature attacks while saddled, it gets +1/+2 until end of turn. Then you may return any number of creatures that saddled it this turn to their owner's hand. Saddle 1 (Tap any number of other creatures you control with total power 1 or more: This Mount becomes saddled until end of turn. Saddle only as a sorcery.)

Creature — Dog

When this creature enters, destroy target artifact or enchantment an opponent controls.

Creature — Beast

Trample Landfall — Whenever a land you control enters, create a 4/4 green Beast creature token.

Creature — Lizard Berserker

Whenever this creature attacks, it gets +1/+0 until end of turn for each other attacking creature.

Creature — Cyclops

This creature gets -2/-0 as long as two or more creatures are blocking it.

Sorcery

Search your library for a basic land card, put that card onto the battlefield tapped, then shuffle.

Creature — Elephant Advisor

Whenever this creature enters or attacks, create a 1/3 white Wall creature token with defender. Whenever a creature you control with defender dies, you may search your library for a basic land card, put that card onto the battlefield tapped, then shuffle.

Legendary Creature — Dragon

Flying, firebending 2 When Ran and Shaw enter, if you cast them and there are three or more Dragon and/or Lesson cards in your graveyard, create a token that's a copy of Ran and Shaw, except it's not legendary. {3}{R}: Dragons you control get +2/+0 until end of turn.

Creature — Avatar

Reach, trample Converge — This creature enters with a +1/+1 counter on it for each color of mana spent to cast it.

Sorcery

Shuffle your library, then mill four cards. Put each creature card milled this way onto the battlefield. They gain haste. At the beginning of the next end step, return those creatures to their owner's hand. Flashback {6}{R}{R} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Enchantment — Class

(Gain the next level as a sorcery to add its ability.) When this Class enters, create a 2/2 green Wolf creature token. {1}{G}: Level 2 Whenever you attack, put a +1/+1 counter on target attacking creature. {3}{G}: Level 3 You may look at the top card of your library any time. You may cast creature spells from the top of your library.

Instant

Target creature you control gets +1/+1 and gains hexproof until end of turn. (It can't be the target of spells or abilities your opponents control.)

Artifact — Equipment

Equipped creature gets +2/+1 and has reach. Equip {3} ({3}: Attach to target creature you control. Equip only as a sorcery.)

Creature — Human Ranger

Vigilance When this creature enters, gain control of up to one target creature with lesser power for as long as you control this creature. Then the Ring tempts you.

Creature — Zombie Soldier

When this creature enters, you may discard a card. If you do, create a 2/2 black Zombie creature token. {1}{B}, {T}, Exile a creature card from your graveyard: Each opponent loses 2 life.

Creature — Dragon

Flying When this creature enters, create two Treasure tokens. (They're artifacts with "{T}, Sacrifice this token: Add one mana of any color.")

Creature — Halfling Citizen

Menace Whenever one or more creatures you control deal combat damage to a player, create a Food token. Whenever you sacrifice a Food, put a +1/+1 counter on this creature. When this creature leaves the battlefield, target opponent loses life equal to its power.

Legendary Creature — Mutant Ninja Turtle

Menace (This creature can't be blocked except by two or more creatures.) Alliance — Whenever another creature you control enters, you may exile the top card of your library. Whenever Raphael attacks, until end of turn, you may play a card exiled with Raphael.

Legendary Creature — Mutant Ninja Turtle

Alliance — Whenever another creature you control enters, Raphael deals 1 damage to target opponent.

Creature — Otter Artificer

Haste Whenever another creature you control with base power 1 enters, it gains haste until end of turn. Whenever another creature you control enters, if it wasn't cast, put a +1/+1 counter on this creature and this creature can't be blocked this turn.

Instant

Destroy target creature. It can't be regenerated. That creature's controller creates a 3/3 green Frog Lizard creature token.

Instant

Mill two cards. You may put a permanent card from among the milled cards into your hand. You gain 2 life. (To mill two cards, put the top two cards of your library into your graveyard.)

Instant

Tap target creature. If it's your turn, put a stun counter on it. (If a permanent with a stun counter would become untapped, remove one from it instead.) Draw a card.

Creature — Dinosaur

Sorcery

Draw three cards, then discard two cards. Add {U}{U}{R}{R}{R}.

Artifact

{T}: Put a charge counter on this artifact. {T}, Sacrifice this artifact: Destroy each nonland permanent with mana value equal to the number of charge counters on this artifact.

Creature — Rat

This creature gets +1/+0 for each other Rat you control. A deck can have any number of cards named Rat Colony.

Creature — Rat

{B}: Destroy target artifact, creature, or land you control.

Creature — Spirit

Flash Flying When this creature enters, target Spirit gains hexproof until end of turn. You may cast Spirit spells as though they had flash.

Creature — Human Citizen

{T}: Add {G}. If you control a creature with power 4 or greater, add {G}{G} instead.

Creature — Bird Assassin

Flying Whenever this creature enters or attacks, exile up to one target card from a graveyard. If a creature card is exiled this way, create a Clue token. (It's an artifact with "{2}, Sacrifice this token: Draw a card.") Whenever you draw your second card each turn, each opponent loses 1 life and you gain 1 life.

Sorcery

Exile target artifact or creature. Its controller creates a 1/1 blue Bird creature token with flying. Foretell {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.)

Creature — Beast

Sacrifice a Beast: You gain 4 life.

Creature — Giant

At the beginning of your upkeep, this creature deals 1 damage to you.

Creature — Gremlin

Sacrifice an artifact: This creature gets +2/+2 until end of turn.

Creature — Phyrexian Horror

Corrupted — When this creature enters, sacrifice a creature unless an opponent has three or more poison counters.

Creature — Squirrel

Whenever you sacrifice an artifact or creature, put a +1/+1 counter on this creature. {1}{B}{G}, Sacrifice an artifact or creature: You gain 1 life and draw a card.

Artifact — Equipment

Equipped creature gets +1/+0, has flying, and is a Bird in addition to its other types. Equip {2} ({2}: Attach to target creature you control. Equip only as a sorcery.)

Creature — Lizard Rogue

Menace (This creature can't be blocked except by two or more creatures.) {1}{B}: This creature gets +1/+1 until end of turn.

Creature — Merfolk Wizard

{U}, {T}: Draw a card, then discard a card. Delirium — {2}{U}, {T}: Draw a card. Activate only if there are four or more card types among cards in your graveyard.

Legendary Creature — Human Cleric

Flying Other creatures you control get +1/+1. At the beginning of your upkeep, you may return target creature card from your graveyard to your hand. Partner (You can have two commanders if both have partner.)

Creature — Human Soldier

When this creature enters, put a +1/+1 counter on target creature you control. Whenever a nontoken creature you control with a +1/+1 counter on it dies, create a 1/1 white Human Soldier creature token. Warp {1}{W} (You may cast this card from your hand for its warp cost. Exile this creature at the beginning of the next end step, then you may cast it from exile on a later turn.)

Legendary Creature — Fish Mutant

Flying When Ray Fillet enters, create a Mutagen token. (It's an artifact with "{1}, {T}, Sacrifice this token: Put a +1/+1 counter on target creature. Activate only as a sorcery.") {2}, Remove a +1/+1 counter from a creature you control: Draw a card.

Instant

Untap target creature an opponent controls and gain control of it until end of turn. That creature gains haste until end of turn. When you lose control of the creature, tap it.

Instant

Target player mills a card. Draw a card at the beginning of the next turn's upkeep.

Enchantment — Aura

Flash Enchant creature When this Aura enters, if enchanted creature is red, tap it. As long as enchanted creature is red, it loses all abilities. Enchanted creature doesn't untap during its controller's untap step.

Instant

Destroy target enchantment. Flashback {G} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Instant

Choose one — • Destroy target artifact. • Target attacking creature gets +2/+2 until end of turn.

Creature — Human Clown Berserker

Haste Whenever you attack, create a 1/1 red Gremlin creature token.

Creature — Human Assassin

This creature has first strike during your turn. Whenever an opponent draws a card, this creature deals 1 damage to them.

Instant

Razor Rings deals 4 damage to target attacking or blocking creature. You gain life equal to the excess damage dealt this way.

Creature — Rat

Fear (This creature can't be blocked except by artifact creatures and/or black creatures.)

Instant

Exile target creature. Its controller manifests the top card of their library. (That player puts the top card of their library onto the battlefield face down as a 2/2 creature. If it's a creature card, it can be turned face up any time for its mana cost.)