Terracrux

Legendary Creature — Spirit

Flying Whenever a creature becomes the target of a spell or ability, destroy that creature.

Creature — Horror

Whenever you cycle or discard another card, this creature gets +2/+1 until end of turn. Cycling {B} ({B}, Discard this card: Draw a card.)

Creature — Human Pirate

When this creature enters, exile another target creature or artifact until this creature leaves the battlefield. You may cast that card for as long as it remains exiled, and mana of any type can be spent to cast that spell.

Artifact — Equipment

Equipped creature can't be blocked. Whenever equipped creature is dealt damage, destroy it. Equip {3} ({3}: Attach to target creature you control. Equip only as a sorcery.)

Sorcery

All creatures lose indestructible until end of turn. Hour of Devastation deals 5 damage to each creature and each non-Bolas planeswalker.

Sorcery

Search your library for up to two land cards, put them onto the battlefield tapped, then shuffle. Then if you control three or more Deserts, create two 2/2 black Zombie creature tokens.

Sorcery

Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for {1} or one mana of that creature's color.) Destroy all nontoken creatures.

Sorcery

This spell costs {3} less to cast if there are ten or more nonland permanents on the battlefield. Destroy all nonland permanents.

Creature — Illusion Wall

Defender, flying

Sorcery

When you next cast an instant or sorcery spell this turn, copy that spell. You may choose new targets for the copy. Raid — If you attacked this turn, when you next cast an instant or sorcery spell this turn, copy that spell an additional time. You may choose new targets for the copy.

Sorcery

Create a 2/2 green Wolf creature token for each Forest you control.

Enchantment

Flash Each creature you control that's a Wolf or a Werewolf gets +1/+1 and has trample.

Creature — Dinosaur

Vigilance When this creature enters, proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

Legendary Planeswalker — Huatli

+1: Put a loyalty counter on Huatli for each creature you control. −1: Target creature gets +X/+X until end of turn, where X is the number of creatures you control. −8: You get an emblem with "Whenever a creature you control enters, you may draw a card."

Legendary Planeswalker — Huatli

+2: You gain life equal to the greatest power among creatures you control. 0: Create a 3/3 green Dinosaur creature token with trample. −X: Huatli deals X damage divided as you choose among any number of target creatures. Creatures dealt damage this way can't block this turn.

Legendary Planeswalker — Huatli

Each creature you control assigns combat damage equal to its toughness rather than its power. −3: You gain life equal to the greatest toughness among creatures you control.

Creature — Dinosaur

Ward {2} At the beginning of your first main phase, add {G}{G}.

Sorcery

Choose one — • Destroy target artifact. • Destroy target enchantment. • Destroy target artifact and target enchantment.

Creature — Merfolk Pirate

Flash If an opponent would draw a card except the first one they draw in each of their draw steps, instead you create a Treasure token. (It's an artifact with "{T}, Sacrifice this token: Add one mana of any color.")

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.

Creature — Human Druid

{T}: Add one mana of any color. Spend this mana only to cast a creature spell.

Instant

Put a +1/+1 counter on target creature. Morbid — Put three +1/+1 counters on that creature instead if a creature died this turn.

Creature — Hydra

This creature enters with X +1/+1 counters on it. This creature can't be blocked by more than one creature. Whenever this creature is dealt damage, put that many +1/+1 counters on it. (It must survive the damage to get the counters.)

Creature — Cat

Cats you control have protection from Rats. (They can't be blocked, targeted, or dealt damage by Rats.) At the beginning of your end step, target opponent creates a 1/1 black Rat creature token with deathtouch. Whenever a Rat dies, put a +1/+1 counter on each Cat you control.

Creature — Horror

Trample When this creature enters, target opponent creates two 3/3 green Centaur creature tokens with protection from black.

Creature — Nightmare

Menace When this creature enters, target opponent puts a deathtouch counter on a creature they control.

Creature — Spirit

This creature can't be blocked. When this creature enters, target opponent creates five 1/1 red Goblin creature tokens.

Creature — Human

When this creature dies, create a 1/1 white Soldier creature token with lifelink.

Creature — Sliver

All Sliver creatures have provoke. (Whenever a Sliver attacks, its controller may have target creature defending player controls untap and block it if able.)

Sorcery

Put a +1/+1 counter on target creature you control. Then that creature deals damage equal to its power to target creature you don't control.

Instant

Choose target creature you control. Whenever that creature deals combat damage to a player or planeswalker this turn, draw that many cards.

Sorcery

Until end of turn, target creature gets +3/+3 and gains trample and "Whenever this creature deals combat damage to a player, draw that many cards."

Sorcery

Hurricane deals X damage to each creature with flying and each player.

Creature — Faerie

Flying, lifelink Creatures entering or dying don't cause abilities to trigger.

Creature — Hippogriff

Flash Flying Creatures entering don't cause abilities to trigger.

Creature — Hydra

Whenever this creature deals combat damage to an opponent, it deals that much damage to each other opponent.

Enchantment — Aura

Enchant creature When this Aura enters, put a +1/+1 counter on enchanted creature. At the beginning of your upkeep, double the number of +1/+1 counters on enchanted creature.

Creature — Merfolk Wizard

{T}: Add {U}. Spend this mana only to cast an instant or sorcery spell. {1}, {T}: Add one mana of any color. Spend this mana only to cast an instant or sorcery spell.

Legendary Creature — Elemental Villain

Whenever you cast a blue spell, if Hydro-Man is a creature, he gets +1/+1 until end of turn. At the beginning of your end step, untap Hydro-Man. Until your next turn, he becomes a land and gains "{T}: Add {U}." (He's not a creature during that time.)

Instant

Choose one — • Counter target spell if it's red. • Destroy target permanent if it's red.

Creature — Jellyfish Hydra Beast

When you cast this spell, you gain half X life and draw half X cards. Round down each time. Flying, trample This creature enters with X +1/+1 counters on it.

Enchantment — Aura

Enchant creature Enchanted creature gets +1/+1 and has first strike. Umbra armor (If enchanted creature would be destroyed, instead remove all damage from it and destroy this Aura.)

Sorcery

Target player discards two cards at random.