When Acererak enters, if you haven't completed Tomb of Annihilation, return Acererak to its owner's hand and venture into the dungeon. Whenever Acererak attacks, for each opponent, you create a 2/2 black Zombie creature token unless that player sacrifices a creature of their choice.

Melee (Whenever this creature attacks, it gets +1/+1 until end of turn for each opponent you attacked this combat.) Other creatures you control have melee. (If a creature has multiple instances of melee, each triggers separately.)

Whenever this creature attacks, it gets +X/+0 until end of turn, where X is the number of attacking creatures you control.

When this creature enters, you may search your library for a card named Alpine Watchdog and/or a card named Igneous Cur, reveal them, put them into your hand, then shuffle. Whenever this creature attacks, it gets +X/+0 until end of turn, where X is the number of other attacking creatures.

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

Haste Whenever this creature attacks, creatures you control gain first strike and deathtouch until end of turn.

Flying Whenever this creature enters or attacks, target opponent sacrifices a creature or planeswalker of their choice, discards a card, and loses 3 life. You draw a card and gain 3 life.

Whenever Armix attacks, you may discard a card. When you do, target creature defending player controls gets -X/-X until end of turn, where X is the number of artifacts you control plus the number of artifact cards in your graveyard. Partner (You can have two commanders if both have partner.)

Flying Mentor (Whenever this creature attacks, put a +1/+1 counter on target attacking creature with lesser power.) At the beginning of combat on your turn, choose up to one target creature you control. Until end of turn, that creature gets +2/+0, gains trample if it's red, and gains vigilance if it's white.

Flying, vigilance, haste Whenever Aurelia attacks for the first time each turn, untap all creatures you control. After this phase, there is an additional combat phase.

When Barrowin enters, venture into the dungeon. (Enter the first room or advance to the next room.) Whenever Barrowin attacks, return up to one creature card with mana value 3 or less from your graveyard to the battlefield if you've completed a dungeon.

Whenever this creature enters or attacks, if you have no cards in hand, this creature deals 2 damage to any target. Madness {1}{B}{R} (If you discard this card, discard it into exile. When you do, cast it for its madness cost or put it into your graveyard.)

Vigilance Whenever Brimaz attacks, create a 1/1 white Cat Soldier creature token with vigilance that's attacking. Whenever Brimaz blocks a creature, create a 1/1 white Cat Soldier creature token with vigilance that's blocking that creature.

Whenever Bruse Tarl enters or attacks, target creature you control gains double strike and lifelink until end of turn. Partner (You can have two commanders if both have partner.)

Whenever a creature you control attacks, defending player loses 1 life and you gain 1 life. {3}{R/W}{R/W}: Creatures your opponents control block this turn if able, and you choose how those creatures block.

Menace Whenever a creature attacks one of your opponents, that player loses 1 life.

Flying Whenever Drana attacks, defending player chooses a nonlegendary creature card in your graveyard. You return that card to the battlefield with an additional +1/+1 counter on it. The creature is a Vampire in addition to its other types.

Eminence — Whenever you cast another Vampire spell, if Edgar is in the command zone or on the battlefield, create a 1/1 black Vampire creature token. First strike, haste Whenever Edgar attacks, put a +1/+1 counter on each Vampire you control.

Flying Mentor (Whenever this creature attacks, put a +1/+1 counter on target attacking creature with lesser power.) Whenever a nontoken creature you control dies, if it had counters on it, create X tapped 2/1 white and black Inkling creature tokens with flying, where X is the number of counters it had on it.

Flying, haste Whenever this creature attacks or becomes the target of a spell, create a Treasure token. Treasures you control have "{T}, Sacrifice this artifact: Add two mana of any one color."

As an additional cost to cast this spell, you may exile any number of creature cards from your graveyard. This spell costs {2} less to cast for each card exiled this way. Deathtouch Whenever Gorex attacks or dies, choose a card at random exiled with Gorex and put that card into its owner's hand.

Deathtouch Whenever this creature enters or attacks, create two 2/2 black Zombie creature tokens.

Menace Greven gets +X/+0, where X is the amount of life you've lost this turn. Whenever Greven attacks, you may sacrifice another creature. If you do, you draw cards equal to that creature's power and you lose life equal to that creature's toughness.

Battle cry (Whenever this creature attacks, each other attacking creature gets +1/+0 until end of turn.) Whenever this creature attacks, create two 1/1 white Soldier creature tokens that are tapped and attacking.

Haste Battle cry (Whenever this creature attacks, each other attacking creature gets +1/+0 until end of turn.) Whenever this creature attacks, creatures with power 1 or less can't block this turn.

Trample Whenever Ilharg attacks, you may put a creature card from your hand onto the battlefield tapped and attacking. Return that creature to your hand at the beginning of the next end step. When Ilharg dies or is put into exile from the battlefield, you may put it into its owner's library third from the top.

{R}: This creature gets +1/+0 until end of turn. Whenever this creature enters or attacks, it deals 3 damage divided as you choose among one, two, or three targets.

Flying Whenever Kaalia attacks an opponent, you may put an Angel, Demon, or Dragon creature card from your hand onto the battlefield tapped and attacking that opponent.

Whenever you attack a player, tap target creature that player controls and goad it. (Until your next turn, that creature attacks each combat if able and attacks a player other than you if able.) Whenever an opponent attacks another one of your opponents, you and the attacking player each draw a card and lose 1 life.

When Kroxa enters, sacrifice it unless it escaped. Whenever Kroxa enters or attacks, each opponent discards a card, then each opponent who didn't discard a nonland card this way loses 3 life. Escape—{B}{B}{R}{R}, Exile five other cards from your graveyard. (You may cast this card from your graveyard for its escape cost.)

Double strike, haste Whenever this creature attacks, you get {E}{E} (two energy counters), then you may pay eight {E}. If you pay, untap all creatures you control, and after this phase, there is an additional combat phase.

First strike, deathtouch This creature can only attack alone. Whenever this creature attacks a player and isn't blocked, that player's life total becomes 1. This creature assigns no combat damage this combat.

Flying, haste Whenever Olivia attacks, return target creature card from your graveyard to the battlefield tapped and attacking. It gains "When you don't control a legendary Vampire, exile this creature."

Reach, haste Whenever this creature attacks, if defending player has more cards in hand than you, exile the top card of their library. During any turn you attacked with a Rogue, you may cast that card and you may spend mana as though it were mana of any color to cast that spell.

Training (Whenever this creature attacks with another creature with greater power, put a +1/+1 counter on this creature.) Whenever this creature trains, exile up to one other target creature from the battlefield or creature card from a graveyard. When this creature leaves the battlefield, put the exiled cards onto the battlefield under their owners' control.

Flying Dethrone (Whenever this creature attacks the player with the most life or tied for most life, put a +1/+1 counter on it.) Whenever this creature attacks for the first time each turn, if it's attacking the player with the most life or tied for most life, untap all attacking creatures. After this phase, there is an additional combat phase.

Flying At the beginning of your end step, create a Blood token for each player who lost life this turn. Whenever Strefan attacks, you may sacrifice two Blood tokens. If you do, you may put a Vampire card from your hand onto the battlefield tapped and attacking. It gains indestructible until end of turn.

Flying Exalted (Whenever a creature you control attacks alone, that creature gets +1/+1 until end of turn.) Other creatures you control have exalted. (If a creature has multiple instances of exalted, each triggers separately.)

Vigilance Whenever this creature enters or attacks, you may return target permanent card with mana value 3 or less from your graveyard to the battlefield.

Flying, lifelink Whenever The Haunt of Hightower attacks, defending player discards a card. Whenever a card is put into an opponent's graveyard from anywhere, put a +1/+1 counter on The Haunt of Hightower.

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

Flying, vigilance, haste Whenever Velomachus Lorehold attacks, look at the top seven cards of your library. You may cast an instant or sorcery spell with mana value less than or equal to Velomachus Lorehold's power from among them without paying its mana cost. Put the rest on the bottom of your library in a random order.

Flying Raid — When this creature enters, if you attacked this turn, create a 3/4 white Bird creature token with flying. Whenever this creature attacks, you gain 1 life for each attacking creature.

Whenever a non-Human creature you control attacks, look at the top six cards of your library. You may put a Human creature card from among them onto the battlefield tapped and attacking. It gains indestructible until end of turn. Put the rest of the cards on the bottom of your library in a random order.

Whenever this creature attacks, you may pay {1}{R} and discard a card. If you do, this creature deals damage to target creature or planeswalker equal to the discarded card's mana value.

Whenever a creature you control attacks, it gets +2/+0 until end of turn and this enchantment deals 1 damage to you. Hellbent — As long as you have no cards in hand, if a source you control would deal damage to a permanent or player, it deals double that damage to that permanent or player instead.

Whenever a creature without flying attacks you or a planeswalker you control, this enchantment deals 1 damage to that creature.

Whenever an opponent attacks you and/or one or more planeswalkers you control, exile the top card of that player's library. You may play that card for as long as it remains exiled, and you may spend mana as though it were mana of any color to cast it.

Enchant player Whenever a land enchanted player controls enters, you create a 2/2 black Zombie creature token with decayed. (It can't block. When it attacks, sacrifice it at end of combat.)

At the beginning of your upkeep, you lose 1 life and amass Zombies 1. (Put a +1/+1 counter on an Army you control. It's also a Zombie. If you don't control an Army, create a 0/0 black Zombie Army creature token first.) Whenever a Zombie token you control with power 6 or greater attacks, it gains lifelink until end of turn.

Whenever a creature you control attacks, it gets +2/+2 until end of turn.

(Gain the next level as a sorcery to add its ability.) When this Class enters, search your library for an Equipment card, reveal it, put it into your hand, then shuffle. {1}{R}{W}: Level 2 Equip abilities you activate cost {2} less to activate. {3}{R}{W}: Level 3 Whenever a creature you control attacks, up to one target creature blocks it this combat if able.

Whenever a creature attacks, flip a coin. If you win the flip, the next time that creature would deal combat damage this turn, it deals double that damage instead. If you lose the flip, the next time that creature would deal combat damage this turn, prevent that damage.

Whenever a Knight you control attacks, each opponent loses 1 life and you gain 1 life. {6}{W}{B}, Sacrifice this enchantment: Return all Knight creature cards from your graveyard to the battlefield.

Whenever a nontoken creature you control attacks, create a 1/1 red Goblin creature token that's tapped and attacking. Sacrifice this enchantment: Creatures you control get +0/+3 until end of turn.

Whenever a nontoken creature you control attacks, you may pay {W}. If you do, create a 1/1 white Kithkin Soldier creature token that's tapped and attacking.

When Oath of Kaya enters, it deals 3 damage to any target and you gain 3 life. Whenever an opponent attacks a planeswalker you control with one or more creatures, Oath of Kaya deals 2 damage to that player and you gain 2 life.

Whenever a creature attacks or blocks, this enchantment deals 2 damage to it.

Whenever a creature attacks you or a planeswalker you control, investigate. (Create a Clue token. It's an artifact with "{2}, Sacrifice this token: Draw a card.")

Whenever a creature you control attacks, it gets +1/+0 until end of turn for each other attacking creature that shares a creature type with it.

(As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.) I — Create a 2/3 red Demon Berserker creature token with menace. II — Whenever a Berserker attacks this turn, you draw a card and you lose 1 life. III — Add {R} for each Berserker you control. Until end of turn, you don't lose this mana as steps and phases end.

Enchant creature Enchanted creature has "Whenever this creature attacks, it deals X damage to defending player, where X is the number of cards in their hand." When this Aura is put into your graveyard from the battlefield, return it to your hand.

({T}: Add {B} or {R}.)

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

({T}: Add {B} or {R}.) As this land enters, you may pay 2 life. If you don't, it enters tapped.

{T}, Pay 1 life, Sacrifice this land: Search your library for a Swamp or Mountain card, put it onto the battlefield, then shuffle.

This land enters tapped. Exalted (Whenever a creature you control attacks alone, that creature gets +1/+1 until end of turn.) {T}: Add {C}.

If you control two or more other lands, this land enters tapped. {T}: Add {R}. {3}{R}: Until end of turn, this land becomes a 3/2 red Goblin creature with "Whenever this creature attacks, create a 1/1 red Goblin creature token that's tapped and attacking." It's still a land.

If you control two or more other lands, this land enters tapped. {T}: Add {B}. {3}{B}: Until end of turn, this land becomes a 3/3 black Beholder creature with menace and "Whenever this creature attacks, exile target card from defending player's graveyard." It's still a land.

This land enters tapped. {T}: Add {B} or {R}. {1}{B}{R}: Until end of turn, this land becomes a 2/2 black and red Elemental creature with "{X}: This creature gets +X/+0 until end of turn." It's still a land.

({T}: Add {R}.)

({T}: Add {W}.)

({T}: Add {R} or {W}.)

{T}: Add {C}. {R/W}, {T}: Add {R}{R}, {R}{W}, or {W}{W}.

({T}: Add {R} or {W}.) As this land enters, you may pay 2 life. If you don't, it enters tapped.

({T}: Add {W} or {B}.)