At the beginning of your upkeep, return an instant or sorcery card at random from your graveyard to your hand. Whenever you cast an instant or sorcery spell, this creature gets +4/+0 until end of turn.

Flying Whenever a creature card is put into an opponent's graveyard from anywhere, you may pay life equal to its mana value. If you do, put it onto the battlefield under your control. It's a Warlock in addition to its other types. If a Warlock you control would die, exile it instead.

Menace (This creature can't be blocked except by two or more creatures.) If it's neither day nor night, it becomes day as this creature enters. Whenever day becomes night or night becomes day, this creature deals 1 damage to each opponent.

First strike (This creature deals combat damage before creatures without first strike.) If a source would deal damage to an opponent, it deals double that damage to that player instead.

When this creature dies, it deals 1 damage to any target.

When this creature enters, it deals 1 damage to each opponent. Delirium — At the beginning of each opponent's upkeep, if there are four or more card types among cards in your graveyard, this creature deals 1 damage to that player.

Haste Whenever a creature you control attacks, this creature deals 1 damage to the player or planeswalker it's attacking.

When this creature dies, it deals 1 damage to any target. {1}{R}: This creature gets +2/+0 until end of turn.

When this creature enters, any opponent may have it deal 4 damage to them. If a player does, sacrifice this creature.

Flying Whenever a source you control deals damage to you, put that many +1/+1 counters on Auntie Blyte. {1}{R}, {T}, Remove X +1/+1 counters from Auntie Blyte: It deals X damage to any target.

Destroy target artifact, creature, or planeswalker.

Choose one — • Burn Down the House deals 5 damage to each creature and each planeswalker. • Create three 1/1 red Devil creature tokens with "When this token dies, it deals 1 damage to any target." They gain haste until end of turn.

Animate Chains — When this creature enters, each player sacrifices a nontoken creature of their choice.

Devil's Play deals X damage to any target. Flashback {X}{R}{R}{R} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Undying (When this creature dies, if it had no +1/+1 counters on it, return it to the battlefield under its owner's control with a +1/+1 counter on it.) Whenever this creature or another creature enters from your graveyard, that creature deals damage equal to its power to any target.

Trample, haste When this creature attacks, up to one target creature defending player controls blocks it this combat if able. At the beginning of the end step, sacrifice this creature.

Whenever a player sacrifices a permanent, this creature deals 1 damage to any target.

When this creature enters, discard your hand, then investigate four times. (To investigate, create a Clue token. It's an artifact with "{2}, Sacrifice this token: Draw a card.") As long as you have one or fewer cards in hand, this creature gets +2/+2 and has menace.

Whenever you cast an instant or sorcery spell, this creature gets +2/+0 until end of turn.

When this creature enters, it deals 1 damage to target creature and 1 damage to you.

Haste Whenever you cast a noncreature spell, this creature gets +2/+2 until end of turn.

When this creature dies, it deals 3 damage divided as you choose among one, two, or three targets.

Trample (This creature can deal excess combat damage to the player or planeswalker it's attacking.)

{2}{R}: Target creature attacks this turn if able.

Deathtouch (Any amount of damage this deals to a creature is enough to destroy it.) Raid — At the beginning of your end step, if you attacked this turn, each opponent loses 3 life unless that player sacrifices a nonland permanent of their choice or discards a card.

When this creature dies, it deals 3 damage to any target.

When this creature enters, open an Attraction. (Put the top card of your Attraction deck onto the battlefield.)

Unleash (You may have this creature enter with a +1/+1 counter on it. It can't block as long as it has a +1/+1 counter on it.)

{2}{R}: This creature deals 1 damage to target player or planeswalker.

When this creature enters, creatures you control get +1/+0 until end of turn. Unearth {2}{R} ({2}{R}: Return this card from your graveyard to the battlefield. It gains haste. Exile it at the beginning of the next end step or if it would leave the battlefield. Unearth only as a sorcery.)

{2}{R}: Target creature can't block this turn.

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

{T}: Add {B}. {T}: Add {R}. Activate only if you control a Swamp or a Mountain.

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

This land enters tapped unless you control a Mountain. {T}: Add {R}. {1}{R}{R}, {T}: Creatures you control get +1/+0 until end of turn.

{T}: Add one mana of any color in your commander's color identity.

This land enters tapped unless you control a Swamp or a Mountain. {T}: Add {B} or {R}.

{T}: Add {C}. When this land is put into a graveyard from the battlefield, create a 2/2 black Zombie creature token.

{T}: Add one mana of any color that a land an opponent controls could produce.

As this land enters, you may reveal a Swamp or Mountain card from your hand. If you don't, this land enters tapped. {T}: Add {B} or {R}.

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

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

{T}: Add {C}. {2}, Exile a land card from your graveyard: This land becomes a 3/4 Elemental creature until end of turn. It's still a land.

{T}: Add {C}. {T}, Sacrifice a creature: Add one mana of any color. {X}{2}, {T}, Sacrifice a Desert: Exile target creature card with mana value X from your graveyard. Create a token that's a copy of it, except it's a 4/4 black Zombie. Activate only as a sorcery.

({T}: Add {B}.) This land enters tapped. {B}, {T}: Each opponent loses 1 life. Activate only if you control two or more black permanents.

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

This land enters tapped. As it enters, choose a color. {T}: Add one mana of the chosen color.

({T}: Add {R}.)

This land enters tapped. {T}: Add {C}. {2}, {T}, Sacrifice this land: Search your library for up to two basic land cards that share a land type, put them onto the battlefield tapped, then shuffle.

This land enters tapped. {T}: Add one mana of any color in your commander's color identity. When that mana is spent to cast a creature spell that shares a creature type with your commander, scry 1. (Look at the top card of your library. You may put that card on the bottom.)

{T}: Add {C}. {2}, {T}, Sacrifice a Desert: Exile all graveyards.

{1}, {T}: Add {B}{R}.

({T}: Add {B} or {R}.) This land enters tapped unless you control two or more basic lands.

{T}: Add {C}. {T}: Add {B} or {R}. This land deals 1 damage to you.

({T}: Add {B}.)

{T}: Add {C}. {T}: Add {B} or {R}. Activate only if you control a Swamp.

Whenever you sacrifice another creature, put a +1/+1 counter on this creature. {B}{R}, Sacrifice another creature: This creature gains menace until end of turn. (It can't be blocked except by two or more creatures.)

This creature doesn't untap during your untap step. {1}, Sacrifice another creature: Untap this creature. Activate only during your turn.

Whenever you sacrifice a permanent, this creature deals 1 damage to any target.

Binding Contract — If you would draw a card, exile the top card of your library face down instead. {B}{B}{B}: Draw seven cards. {B}: Return all cards exiled with Asmodeus to their owner's hand and you lose that much life.

This spell costs {1} less to cast for each instant and sorcery card in your graveyard. Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.) When this creature enters, discard your hand, then draw three cards.

Menace (This creature can't be blocked except by two or more creatures.) Whenever this creature attacks, target creature gets +1/+0 until end of turn. Blitz {1}{R} (If you cast this spell for its blitz cost, it gains haste and "When this creature dies, draw a card." Sacrifice it at the beginning of the next end step.)

Casualty X. The copy isn't legendary and has starting loyalty X. (As you cast this spell, you may sacrifice a creature with power X. When you do, copy this spell. The copy becomes a token.) +1: Each opponent loses 2 life unless they discard a card. If you control a Demon or Devil, you gain 2 life. −2: Create a 1/1 red Devil creature token with "When this token dies, it deals 1 damage to any target." −7: Target player draws seven cards and loses 7 life.

Whenever this creature attacks, you may sacrifice an artifact or discard a card. If you do, draw a card and this creature gets +2/+0 until end of turn.

At the beginning of your end step, create a Treasure token for each creature that died this turn. (It's an artifact with "{T}, Sacrifice this token: Add one mana of any color.")

Menace Whenever a player casts their first spell each turn, they create a Treasure token. Whenever an artifact an opponent controls is put into a graveyard from the battlefield, this creature deals 1 damage to that player.

Create two 1/1 red Devil creature tokens. They have "When this token dies, it deals 1 damage to any target."

Create four 1/1 red Devil creature tokens. They have "When this token dies, it deals 1 damage to any target."

Whenever this creature attacks, create a tapped and attacking 1/1 red Devil creature token with "When this token dies, it deals 1 damage to any target." Blitz {3}{R} (If you cast this spell for its blitz cost, it gains haste and "When this creature dies, draw a card." Sacrifice it at the beginning of the next end step.)

+1: Creatures you control get +1/+0 and gain haste until end of turn. 0: Create a 1/1 red Devil creature token with "When this token dies, it deals 1 damage to any target." −6: You get an emblem with "At the end of the first combat phase on your turn, untap target creature you control. After this phase, there is an additional combat phase."