Haste

Whenever Amber Gristle O'Maul attacks, you may discard your hand. If you do, draw a card for each player being attacked.

Choose a Background (You can have a Background as a second commander.)

: Change the text of target white enchantment you control that doesn't have cumulative upkeep by replacing all instances of one color word with another. (For example, you may change "black creatures can't attack" to "blue creatures can't attack.") That enchantment gains "Cumulative upkeep ." (At the beginning of its controller's upkeep, that player puts an age counter on it, then sacrifices it unless they pay its upkeep cost for each age counter on it.)

When Brutalizer Exarch enters the battlefield, choose one —

• Search your library for a creature card, reveal it, then shuffle and put that card on top.

• Put target noncreature permanent on the bottom of its owner's library.

Whenever Cleric of Chill Depths blocks a creature, that creature doesn't untap during its controller's next untap step.

Flash (You may cast this spell any time you could cast an instant.)

When Deceiver Exarch enters the battlefield, choose one —

• Untap target permanent you control.

• Tap target permanent an opponent controls.

Soulbond (You may pair this creature with another unpaired creature when either enters the battlefield. They remain paired for as long as you control both of them.)

As long as Diregraf Escort is paired with another creature, both creatures have protection from Zombies.

, : You may tap or untap target artifact, creature, or land.

, Sacrifice a red or white creature: Freyalise Supplicant deals damage to any target equal to half the sacrificed creature's power, rounded down.

Whenever an opponent activates an ability of an artifact, creature, or land on the battlefield, if it isn't a mana ability, Harsh Mentor deals 2 damage to that player.

Whenever you cycle or discard a card, Hekma Sentinels gets +1/+1 until end of turn.

: Untap target land.

All Walls able to block Marble Priest do so.

Prevent all combat damage that would be dealt to Marble Priest by Walls.

Put target permanent card from your graveyard on top of your library. (Then exile this card. You may cast the creature later from exile.)

When Noble Benefactor dies, each player may search their library for a card and put that card into their hand. Then each player who searched their library this way shuffles.

Toxic 2

: Each other creature you control with toxic gains toxic 1 until end of turn. Activate only once each turn. (A player dealt combat damage by a creature with toxic also gets poison counters equal to that creature's total toxic value.)

When Priest of Urabrask enters the battlefield, add .

You may play lands from your graveyard.

, , Sacrifice Scribe of the Mindful: Return target instant or sorcery card from your graveyard to your hand.

At the beginning of combat on your turn, choose any number of creatures with different powers. Each of them gets +X/+X and gains vigilance until end of turn, where X is Sigardian Zealot's power.

, : Prevent the next 2 damage that would be dealt to target creature this turn. Target opponent may draw a card.

: Storm Shaman gets +1/+0 until end of turn.

, : Target creature gains shroud until end of turn. Activate only during your upkeep. (It can't be the target of spells or abilities.)

, , Sacrifice a creature: Forests you control become 2/3 creatures until end of turn. They're still lands.

Flash

Bear Witness — Whenever another creature dies, if it was attacking or blocking alone, exile it and investigate. (Create a Clue token. It's an artifact with ", Sacrifice this artifact: Draw a card.")

, : Prevent the next 2 damage that would be dealt to any target this turn.

You may have Vizier of Many Faces enter the battlefield as a copy of any creature on the battlefield, except if Vizier of Many Faces was embalmed, the token has no mana cost, it's white, and it's a Zombie in addition to its other types.

Embalm

You may look at the top card of your library any time.

You may cast creature spells from the top of your library.

You can spend mana of any type to cast creature spells.

Afflict 4 (Whenever this creature becomes blocked, defending player loses 4 life.)

Whenever Wildfire Eternal attacks and isn't blocked, you may cast an instant or sorcery spell from your hand without paying its mana cost.