Pollen Lullaby

Prevent all combat damage that would be dealt this turn. Clash with an opponent. If you win, creatures that player controls don’t untap during the player’s next untap step. (Each clashing player reveals the top card of their library, then puts that card on the top or bottom. A player wins if their card had a higher converted mana cost.)

Wanderwine Hub

As Wanderwine Hub enters the battlefield, you may reveal a Merfolk card from your hand. If you don’t, Wanderwine Hub enters the battlefield tapped.
: Add or .

Boggart Shenanigans

Whenever another Goblin you control is put into a graveyard from the battlefield, you may have Boggart Shenanigans deal 1 damage to target player or planeswalker.

Changeling Berserker

Changeling (This card is every creature type.)
Haste
Champion a creature (When this enters the battlefield, sacrifice it unless you exile another creature you control. When this leaves the battlefield, that card returns to the battlefield.)

Sentry Oak

Defender
At the beginning of combat on your turn, you may clash with an opponent. If you win, Sentry Oak gets +2/+0 and loses defender until end of turn. (Each clashing player reveals the top card of their library, then puts that card on the top or bottom. A player wins if their card had a higher converted mana cost.)

Surgespanner

Whenever Surgespanner becomes tapped, you may pay . If you do, return target permanent to its owner’s hand.

Lairwatch Giant

Lairwatch Giant can block an additional creature each combat.
Whenever Lairwatch Giant blocks two or more creatures, it gains first strike until end of turn.

Ashling’s Prerogative

As Ashling’s Prerogative enters the battlefield, choose odd or even. (Zero is even.)
Each creature with converted mana cost of the chosen value has haste.
Each creature without converted mana cost of the chosen value enters the battlefield tapped.

Entangling Trap

Whenever you clash, tap target creature an opponent controls. If you won, that creature doesn’t untap during its controller’s next untap step. (This ability triggers after the clash ends.)

Purity

Flying
If noncombat damage would be dealt to you, prevent that damage. You gain life equal to the damage prevented this way.
When Purity is put into a graveyard from anywhere, shuffle it into its owner’s library.

Llanowar Empath

When Llanowar Empath enters the battlefield, scry 2, then reveal the top card of your library. If it’s a creature card, put it into your hand. (To scry 2, look at the top two cards of your library, then put any number of them on the bottom of your library and the rest on top in any order.)

Steamflogger Boss

Other Riggers you control get +1/+0 and have haste.
If a Rigger you control would assemble a Contraption, it assembles two Contraptions instead.

Conflagrate

Conflagrate deals X damage divided as you choose among any number of targets.
Flashback—, Discard X cards. (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Wormwood Dryad

: Wormwood Dryad gains forestwalk until end of turn and deals 1 damage to you. (It can’t be blocked as long as defending player controls a Forest.)
: Wormwood Dryad gains swampwalk until end of turn and deals 1 damage to you. (It can’t be blocked as long as defending player controls a Swamp.)

Shadow Sliver

All Sliver creatures have shadow. (They can block or be blocked by only creatures with shadow.)

Simian Brawler

Discard a land card: Simian Brawler gets +1/+1 until end of turn.

Icefall

Destroy target artifact or land.
Recover (When a creature is put into your graveyard from the battlefield, you may pay . If you do, return this card from your graveyard to your hand. Otherwise, exile this card.)

Goblin Furrier

Prevent all damage that Goblin Furrier would deal to snow creatures.

Blind Hunter

Flying
Haunt (When this creature dies, exile it haunting target creature.)
When Blind Hunter enters the battlefield or the creature it haunts dies, target player loses 2 life and you gain 2 life.

Exhumer Thrull

Haunt (When this creature dies, exile it haunting target creature.)
When Exhumer Thrull enters the battlefield or the creature it haunts dies, return target creature card from your graveyard to your hand.