Exile All Hallow's Eve with two scream counters on it.

At the beginning of your upkeep, if All Hallow's Eve is exiled with a scream counter on it, remove a scream counter from it. If there are no more scream counters on it, put it into your graveyard and each player returns all creature cards from their graveyard to the battlefield.

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 .

First strike

At the beginning of your upkeep, destroy Cosmic Horror unless you pay . If Cosmic Horror is destroyed this way, it deals 7 damage to you.

At the beginning of your upkeep, unless you sacrifice an Island, sacrifice Elder Spawn and it deals 6 damage to you.

Elder Spawn can't be blocked by red creatures.

At the beginning of your upkeep, choose flying, first strike, trample, or rampage 3. Gabriel Angelfire gains that ability until your next upkeep. <I>(Whenever a creature with rampage 3 becomes blocked, it gets +3/+3 until end of turn for each creature blocking it beyond the first.)</I>

Put X glyph counters on target creature that target Wall blocked this turn, where X is the power of that blocked creature. The creature gains "This creature doesn't untap during your untap step if it has a glyph counter on it" and "At the beginning of your upkeep, remove a glyph counter from this creature."

When Hazezon Tamar enters, create X 1/1 Sand Warrior creature tokens that are red, green, and white at the beginning of your next upkeep, where X is the number of lands you control at that time.

When Hazezon leaves the battlefield, exile all Sand Warriors.

At the beginning of your upkeep, if an opponent controls more lands than you, you may search your library for up to three basic land cards, reveal them, put them into your hand, then shuffle.

, : Put a matrix counter on target creature and that creature gains "Remove a matrix counter from this creature: Regenerate this creature." Activate only during your upkeep.

Flying

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

Whenever Nicol Bolas deals damage to an opponent, that player discards their hand.

Primordial Ooze attacks each combat if able.

At the beginning of your upkeep, put a +1/+1 counter on Primordial Ooze. Then you may pay , where X is the number of +1/+1 counters on it. If you don't, tap Primordial Ooze and it deals X damage to you.

Cast this spell only during an opponent's turn after their upkeep step.

Untap all lands you control.

At the beginning of each player's upkeep, if that player controls a Plains, they gain 1 life.

Enchant creature

At the beginning of the upkeep of enchanted creature's controller, put a -0/-1 counter on that creature.

When enchanted creature dies, that creature's controller chooses a creature that Takklemaggot could enchant. If the player does, return Takklemaggot to the battlefield under your control attached to that creature. If they don't, return Takklemaggot to the battlefield under your control as a non-Aura enchantment. It loses "enchant creature" and gains "At the beginning of that player's upkeep, Takklemaggot deals 1 damage to that player."

All creatures have "At the beginning of your upkeep, destroy this creature unless you pay ."

Flying

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

: Vaevictis Asmadi gets +1/+0 until end of turn.

: Vaevictis Asmadi gets +1/+0 until end of turn.

: Vaevictis Asmadi gets +1/+0 until end of turn.

At the beginning of your upkeep, put a pin counter on Voodoo Doll.

At the beginning of your end step, if Voodoo Doll is untapped, destroy Voodoo Doll and it deals damage to you equal to the number of pin counters on it.

, : Voodoo Doll deals damage equal to the number of pin counters on it to any target. X is the number of pin counters on Voodoo Doll.