As an additional cost to cast this spell, exile a card from your graveyard.
Search your library for a card with the same mana value as the exiled card, reveal it, put it into your hand, then shuffle. You lose 2 life.

As an additional cost to cast this spell, sacrifice an artifact or creature.
Draw two cards and create a Treasure token.

{T}, Pay 1 life, Sacrifice an artifact or creature: Make a pledge.

Decayed
{1}{B}, Exile Expendable Medic from your graveyard: Return target creature card from your graveyard to your hand. Activate only as a sorcery.

You may cast this spell as though it had flash as long as {U} is spent to cast it.
Return target creature card with mana value 3 or less from your graveyard to the battlefield tapped. If {R} was spent to cast this spell, create a token that's a copy of that creature. It gains haste until end of turn. Sacrifice it at the beginning of the next end step.

Whenever Hazakh Conscriptor deals combat damage to a player, create a 2/2 colorless Minion creature token with decayed.

Flying
Approval — When Judge, Jury, and Executioner enters, exile up to one target creature with mana value less than or equal to the number of colors among permanents you control.

Destroy target monocolored creature. Make a pledge.

Flying
When Lofty Voter enters, make a pledge.

When Merciless Headsman enters, create a 2/2 colorless Minion creature token with decayed.
{1}{B}, Sacrifice another creature: Draw a card.

When Night Squad enters, teach target creature menace. If you put a +1/+1 counter on it this way, it can't be blocked this turn.

All creatures get -2/-2 until end of turn. Until end of turn, whenever one of those creatures die, create a tapped Treasure token.

During your turn, you may play cards from your graveyard but not from anywhere else.
Whenever you cast an instant or sorcery spell, exile that card instead of putting it into your graveyard as it resolves.
If another permanent you control would be put into your graveyard, exile it instead.

Until end of turn, target creature gains “When this creature dies, return it to the battlefield tapped under its owner's control and teach it flying.”

Whenever you cast a spell, if mana from an artifact source was spent to cast it, you may pay 1 life. If you do, draw a card. Do this only once each turn.

Each player sacrifices a creature.
As long as a creature card or creature token was put into your graveyard from anywhere this turn, Rank and Defile has flashback {2}{B}.

Approval — This spell costs {X} less to cast, where X is the number of colors among permanents you control.
Exile target creature.

Approval — When Senators' Chauffeur enters, return up to one target creature card with mana value less than or equal to the number of colors among permanents you control from your graveyard to the battlefield.

Whenever a nontoken creature you control dies, create a token that's a copy of it, except it's a Minion and has decayed.

Decayed
You may cast The Venerable Veteran from your graveyard.

Approval — When Warrant-Borne Cop enters, target player reveals X cards from their hand, where X is the number of colors among permanents you control. You choose one of them. That player discards that card.

Whenever you cast a spell, if mana from an artifact source was spent to cast it, you may copy that spell, and you may choose new targets for the copy. Do this only once each turn.

Menace
When Ardent Voter enters, make a pledge.

{2}, Sacrifice a creature: Teach target creature menace.