Arcum Dagsson

: Target artifact creature’s controller sacrifices it. That player may search their library for a noncreature artifact card, put it onto the battlefield, then shuffle.

Zur the Enchanter

Flying
Whenever Zur the Enchanter attacks, you may search your library for an enchantment card with mana value 3 or less, put it onto the battlefield, then shuffle.

Crypt Champion

Double strike
When Crypt Champion enters, each player puts a creature card with mana value 3 or less from their graveyard onto the battlefield.
When Crypt Champion enters, sacrifice it unless was spent to cast it.

Demon’s Jester

Flying
Hellbent — Demon’s Jester gets +2/+1 as long as you have no cards in hand.

Conjurer’s Ban

Choose a card name. Until your next turn, spells with the chosen name can’t be cast and lands with the chosen name can’t be played.
Draw a card.

Frazzle

Counter target nonblue spell.

Gruul Nodorog

: Gruul Nodorog gains menace until end of turn. (It can’t be blocked except by two or more creatures.)

Devouring Light

Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for or one mana of that creature’s color.)
Exile target attacking or blocking creature.

Grave-Shell Scarab

, Sacrifice Grave-Shell Scarab: Draw a card.
Dredge 1 (If you would draw a card, you may mill a card instead. If you do, return this card from your graveyard to your hand.)

Clutch of the Undercity

Return target permanent to its owner’s hand. Its controller loses 3 life.
Transmute (, Discard this card: Search your library for a card with the same mana value as this card, reveal it, put it into your hand, then shuffle. Transmute only as a sorcery.)

Recollect

Return target card from your graveyard to your hand.

Thoughtpicker Witch

, Sacrifice a creature: Look at the top two cards of target opponent’s library, then exile one of them.

Threaten

Untap target creature and gain control of it until end of turn. That creature gains haste until end of turn. (It can attack and this turn.)

Spectral Sliver

All Sliver creatures have “: This creature gets +1/+1 until end of turn.”

Clutch of the Undercity

Return target permanent to its owner’s hand. Its controller loses 3 life.
Transmute (, Discard this card: Search your library for a card with the same mana value as this card, reveal it, put it into your hand, then shuffle. Transmute only as a sorcery.)

Death Pit Offering

When Death Pit Offering enters, sacrifice all creatures you control.
Creatures you control get +2/+2.

Threaten

Untap target creature and gain control of it until end of turn. That creature gains haste until end of turn. (It can attack and this turn.)

Voice of the Woods

Tap five untapped Elves you control: Create a 7/7 green Elemental creature token with trample. (It can deal excess combat damage to the player or planeswalker it’s attacking.)

Raksha Golden Cub

Vigilance
As long as Raksha Golden Cub is equipped, Cat creatures you control get +2/+2 and have double strike.