Choose a nonland card name. Search target player's graveyard, hand, and library for any number of cards with that name and exile them. Then that player shuffles their library.

When Midvast Protector enters the battlefield, target creature you control gains protection from the color of your choice until end of turn.

Emerge (You may cast this spell by sacrificing a creature and paying the emerge cost reduced by that creature's converted mana cost.)
When you cast this spell, you may destroy target artifact or enchantment.

( can be paid with either or 2 life.)
Flying
: Moltensteel Dragon gets +1/+0 until end of turn.

Target player chooses a card in their hand and discards the rest.

: Add one mana of any type that a land you control could produce.

As long as Necrotic Ooze is on the battlefield, it has all activated abilities of all creature cards in all graveyards.

Vigilance, trample
Other Centaur creatures you control get +1/+1 and have vigilance and trample.

Discard a card: Ravenous Bloodseeker gets +2/-2 until end of turn.

Create a 2/2 black Zombie creature token.
Flashback (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Whenever another creature enters the battlefield under your control, you may have Renegade Doppelganger become a copy of that creature until end of turn. (If it does, it loses this ability for the rest of the turn.)

Enchant creature
Enchanted creature can't attack, block, or crew Vehicles.

At the beginning of your upkeep, return a creature you control to its owner's hand.

Enchant land
When Security Blockade enters the battlefield, create a 2/2 white Knight creature token with vigilance.
Enchanted land has ": Prevent the next 1 damage that would be dealt to you this turn."

Exchange control of two target permanents that share a card type. (Artifact, creature, enchantment, land, and planeswalker are card types.)

: You gain 1 life.

Soulsworn Spirit can't be blocked.
When Soulsworn Spirit enters the battlefield, detain target creature an opponent controls. (Until your next turn, that creature can't attack or block and its activated abilities can't be activated.)

Trample, lifelink, haste
At the beginning of the end step, sacrifice Spark Trooper.

Flying
: Draw a card, then put a +1/+1 counter on Sphinx of Magosi.