At the beginning of your end step, you may exile target creature you control, then return that card to the battlefield under your control.

: Put a charge counter on target artifact.
Sacrifice Coretapper: Put two charge counters on target artifact.

When Corridor Monitor enters the battlefield, untap target artifact or creature you control.

As an additional cost to cast this spell, sacrifice an artifact or creature.
Draw two cards.

Will of the council — Starting with you, each player votes for a nonland permanent you don't control. Exile each permanent with the most votes or tied for most votes.

When Cragganwick Cremator enters the battlefield, discard a card at random. If you discard a creature card this way, Cragganwick Cremator deals damage equal to that card's power to target player or planeswalker.

Equipped creature gets +1/+0 for each artifact you control.
: Attach Cranial Plating to target creature you control.
Equip

Changeling (This card is every creature type.)
Exile target creature. Its controller creates a 1/1 colorless Shapeshifter creature token with changeling.

As an additional cost to cast this spell, sacrifice a land.
Search your library for a land card, put that card onto the battlefield, then shuffle your library.

Crusader of Odric's power and toughness are each equal to the number of creatures you control.

Choose one —
• Destroy target creature with flying.
• Destroy target artifact.

, Sacrifice a creature: Put a charge counter on Culling Dais.
, Sacrifice Culling Dais: Draw a card for each charge counter on Culling Dais.

Return target nonland permanent you don't control to its owner's hand.
Overload (You may cast this spell for its overload cost. If you do, change its text by replacing all instances of "target" with "each.")

At the beginning of your upkeep, reveal the top card of your library and put that card into your hand. You lose life equal to its converted mana cost.

Dark Depths enters the battlefield with ten ice counters on it.
: Remove an ice counter from Dark Depths.
When Dark Depths has no ice counters on it, sacrifice it. If you do, create Marit Lage, a legendary 20/20 black Avatar creature token with flying and indestructible.

Indestructible (Effects that say "destroy" don't destroy this artifact.)
Equipped creature gets +2/+0.
Equip

Indestructible
: Add .

Artifacts you control have indestructible. (Effects that say "destroy" don't destroy them. Artifact creatures with indestructible can't be destroyed by damage.)

Death's Shadow gets -X/-X, where X is your life total.

: Death-Hood Cobra gains reach until end of turn.
: Death-Hood Cobra gains deathtouch until end of turn.