Annihilator 2 (Whenever this creature attacks, defending player sacrifices two permanents.)

Whenever an opponent sacrifices a nontoken permanent, put that card onto the battlefield under your control.

Annihilator 3 (Whenever this creature attacks, defending player sacrifices three permanents.)

Pathrazer of Ulamog can't be blocked except by three or more creatures.

When you cast this spell, destroy target permanent.

Indestructible

Annihilator 4 (Whenever this creature attacks, defending player sacrifices four permanents.)

When Ulamog, the Infinite Gyre is put into a graveyard from anywhere, its owner shuffles their graveyard into their library.

This spell costs less to cast for each different mana value among instant and sorcery cards in your graveyard.

Flying, prowess

Whenever you cast your second spell each turn, create a 4/4 red Dragon Elemental creature token with flying and prowess.

When you cast this spell, draw four cards.

Annihilator 4 (Whenever this creature attacks, defending player sacrifices four permanents.)

When Kozilek, Butcher of Truth is put into a graveyard from anywhere, its owner shuffles their graveyard into their library.

( can be paid with any two mana or with . This card's mana value is 10.)

Other Scarecrow creatures you control get +1/+1.

Whenever another Scarecrow enters the battlefield under your control, destroy target permanent.

When you cast this spell, exile two target permanents.

Indestructible

Whenever Ulamog, the Ceaseless Hunger attacks, defending player exiles the top twenty cards of their library.

When you cast this spell, you may return target creature card from your graveyard to the battlefield.

Annihilator 2 (Whenever this creature attacks, defending player sacrifices two permanents.)

Affinity for artifacts (This spell costs less to cast for each artifact you control.)

Flying, haste

Whenever Chiss-Goria, Forge Tyrant attacks, exile the top five cards of your library. You may cast an artifact spell from among them this turn. If you do, it has affinity for artifacts.

Flying

Whenever the first noncreature spell of a turn is cast, counter that spell.

Flying; trample; rampage 4 <I>(Whenever this creature becomes blocked, it gets +4/+4 until end of turn for each creature blocking it beyond the first.)</I>

The Tarrasque has haste and ward as long as it was cast.

Whenever The Tarrasque attacks, it fights target creature defending player controls.

Eminence — As long as The Ur-Dragon is in the command zone or on the battlefield, other Dragon spells you cast cost less to cast.

Flying

Whenever one or more Dragons you control attack, draw that many cards, then you may put a permanent card from your hand onto the battlefield.

Flying

Whenever Ancient Silver Dragon deals combat damage to a player, roll a d20. Draw cards equal to the result. You have no maximum hand size for the rest of the game.

Flying

Whenever Archon of Cruelty enters the battlefield or attacks, target opponent sacrifices a creature or planeswalker, discards a card, and loses 3 life. You draw a card and gain 3 life.

Trample

Whenever a creature dealt damage by Axelrod Gunnarson this turn dies, you gain 1 life and Axelrod deals 1 damage to target player or planeswalker.

Trample

Whenever Borborygmos Enraged deals combat damage to a player, reveal the top three cards of your library. Put all land cards revealed this way into your hand and the rest into your graveyard.

Discard a land card: Borborygmos Enraged deals 3 damage to any target.

Flying

Rampage 2 <I>(Whenever this creature becomes blocked, it gets +2/+2 until end of turn for each creature blocking it beyond the first.)</I>

At the beginning of your upkeep, sacrifice Chromium unless you pay .

Whenever an opponent casts a spell, counter that spell and put a depletion counter on Decree of Silence. If there are three or more depletion counters on Decree of Silence, sacrifice it.

Cycling (, Discard this card: Draw a card.)

When you cycle Decree of Silence, you may counter target spell.

This spell costs less to cast for each Gate you control.

Gate Colossus can't be blocked by creatures with power 2 or less.

Whenever a Gate enters the battlefield under your control, you may put Gate Colossus from your graveyard on top of your library.

Vigilance, trample, haste

Whenever Gishath, Sun's Avatar deals combat damage to a player, reveal that many cards from the top of your library. Put any number of Dinosaur creature cards from among them onto the battlefield and the rest on the bottom of your library in a random order.

Discard a card: Return Jadzi, Oracle of Arcavios to its owner's hand.

Magecraft — Whenever you cast or copy an instant or sorcery spell, reveal the top card of your library. If it's a nonland card, you may cast it by paying rather than paying its mana cost. If it's a land card, put it onto the battlefield.

Creatures you control have myriad. (Whenever a creature with myriad attacks, for each opponent other than defending player, you may create a token that's a copy of that creature that's tapped and attacking that player or a planeswalker they control. Exile the tokens at end of combat.)

Trample

Whenever Living Hive deals combat damage to a player, create that many 1/1 green Insect creature tokens.

Trample

Whenever Mindleech Mass deals combat damage to a player, you may look at that player's hand. If you do, you may cast a spell from among those cards without paying its mana cost.

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

Flying, lifelink, haste

Exalted (Whenever a creature you control attacks alone, that creature gets +1/+1 until end of turn.)

Other Vampires you control have exalted.

Enrage — Whenever Polyraptor is dealt damage, create a token that's a copy of Polyraptor.

Flying, indestructible

When CARDNAME enters the battlefield, exile all artifacts that aren't colorless.

Whenever CARDNAME deals combat damage to a player, you get an emblem with "If you would lose the game, instead your life total becomes 20, shuffle your graveyard into your library, you lose all poison counters, and you lose this emblem."

Trample

Whenever Scion of Darkness deals combat damage to a player, you may put target creature card from that player's graveyard onto the battlefield under your control.

Cycling (, Discard this card: Draw a card.)

Vigilance

Ward (Whenever this creature becomes the target of a spell or ability an opponent controls, counter it unless that player pays .)

When Su-Chi Cave Guard dies, add eight . Until end of turn, you don't lose this mana as steps and phases end.

Flying

Whenever you cast a spell, return target permanent to its owner's hand.

Flying

Whenever a Dragon you control attacks, create a 6/6 red Dragon creature token with flying.

Flying

, Pay 2 life: Target creature gets -1/-1 until end of turn.

Whenever you lose life, draw that many cards. (Damage causes loss of life.)

This spell costs less to cast for each land card in your graveyard.

Whenever Yuma, Proud Protector enters the battlefield or attacks, you may sacrifice a land. If you do, draw a card.

Whenever a Desert card is put into your graveyard from anywhere, create a 4/2 green Plant Warrior creature token with reach.

Trample

Agent Frank Horrigan has indestructible as long as it attacked this turn.

Whenever Agent Frank Horrigan enters the battlefield or attacks, proliferate twice. (To proliferate, choose any number of permanents and/or players, then give each another counter of each kind already there.)

Flying

Whenever Ancient Bronze Dragon deals combat damage to a player, roll a d20. When you do, put X +1/+1 counters on each of up to two target creatures, where X is the result.

Whenever Arashin War Beast deals combat damage to one or more blocking creatures, manifest the top card of your library. (Put it onto the battlefield face down as a 2/2 creature. Turn it face up any time for its mana cost if it's a creature card.)

Mutate (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.)

Whenever this creature mutates, tap up to X target creatures, where X is the number of times this creature has mutated. Those creatures don't untap during their controller's next untap step.

Flying, trample

Whenever a Dragon you control attacks, it gains double strike until end of turn.

Flying

Whenever Balefire Dragon deals combat damage to a player, it deals that much damage to each creature that player controls.

Flying, haste

Whenever Bladewing, Deathless Tyrant deals combat damage to a player or planeswalker, for each creature card in your graveyard, create a 2/2 black Zombie Knight creature token with menace.

Trample

Whenever Borborygmos deals combat damage to a player, put a +1/+1 counter on each creature you control.

Flying

At the beginning of your end step, exile the top card of each opponent's library. You may play those cards for as long as they remain exiled. If you cast a spell this way, you may spend mana as though it were mana of any color to cast it.

Whenever a nonland permanent an opponent owns enters the battlefield under your control, they lose life equal to its mana value.

When Cacophony Unleashed enters the battlefield, if you cast it, destroy all nonenchantment creatures.

Whenever Cacophony Unleashed or another enchantment enters the battlefield under your control, until end of turn, Cacophony Unleashed becomes a legendary 6/6 Nightmare God creature with menace and deathtouch. It's still an enchantment.

You may reveal this card from your opening hand. If you do, when each opponent casts their first spell of the game, counter that spell unless that player pays .

Flying

Whenever an opponent casts a spell, counter it unless that player pays .

Flying

Clockwork Dragon enters the battlefield with six +1/+1 counters on it.

Whenever Clockwork Dragon attacks or blocks, remove a +1/+1 counter from it at end of combat.

: Put a +1/+1 counter on Clockwork Dragon.

Islandwalk (This creature can't be blocked as long as defending player controls an Island.)

Whenever Colossal Whale attacks, you may exile target creature defending player controls until Colossal Whale leaves the battlefield. (That creature returns under its owner's control.)

Nonlegendary artifact creatures you control have myriad. (Whenever a creature with myriad attacks, for each opponent other than defending player, you may create a token that's a copy of that creature that's tapped and attacking that player or a planeswalker they control. Exile the tokens at end of combat.)

Whenever Darksteel Splicer or another nontoken Phyrexian enters the battlefield under your control, create X 3/3 colorless Phyrexian Golem artifact creature tokens, where X is the number of opponents you have.

Golems you control have indestructible.

Flying, trample

Whenever Demon of Loathing deals combat damage to a player, that player sacrifices a creature.