Renounce

Sacrifice any number of permanents. You gain 2 life for each permanent sacrificed this way.

Cateran Kidnappers

, : Search your library for a Mercenary permanent card with mana value 3 or less, put it onto the battlefield, then shuffle.

Cateran Slaver

Swampwalk (This creature can’t be blocked as long as defending player controls a Swamp.)
, : Search your library for a Mercenary permanent card with mana value 5 or less, put it onto the battlefield, then shuffle.

Monkey Cage

When a creature enters, sacrifice Monkey Cage and create X 2/2 green Monkey creature tokens, where X is that creature’s mana value.

Snake Pit

Whenever an opponent casts a blue or black spell, you may create a 1/1 green Snake creature token.

High Market

: Add .
, Sacrifice a creature: You gain 1 life.

Haunted Crossroads

: Put target creature card from your graveyard on top of your library.

Kyren Sniper

At the beginning of your upkeep, you may have Kyren Sniper deal 1 damage to target player or planeswalker.

Wildfire

Each player sacrifices four lands of their choice. Wildfire deals 4 damage to each creature.

Ravenous Rats

When Ravenous Rats enters, target opponent discards a card.

Scent of Cinder

Reveal any number of red cards in your hand. Scent of Cinder deals X damage to any target, where X is the number of cards revealed this way.

Ravenous Rats

When Ravenous Rats enters, target opponent discards a card.

Bog Raiders

Swampwalk (This creature can’t be blocked as long as defending player controls a Swamp.)

Squall

Squall deals 2 damage to each creature with flying.

Pride of Lions

You may have Pride of Lions assign its combat damage as though it weren’t blocked.

Momentum

Enchant creature
At the beginning of your upkeep, you may put a growth counter on Momentum.
Enchanted creature gets +1/+1 for each growth counter on Momentum.

Ravenous Rats

When Ravenous Rats enters, target opponent discards a card.

Drudge Skeletons

: Regenerate Drudge Skeletons. (The next time this creature would be destroyed this turn, instead tap it, remove it from combat, and heal all damage on it.)

Expendable Troops

, Sacrifice Expendable Troops: It deals 2 damage to target attacking or blocking creature.