Creatures you control get +1/+1 until end of turn.
Fuse (You may cast one or both halves of this card from your hand.)

You may have Progenitor Mimic enter the battlefield as a copy of any creature on the battlefield, except it has "At the beginning of your upkeep, if this creature isn't a token, create a token that's a copy of this creature."

Target creature gets +2/+4 until end of turn.
Fuse (You may cast one or both halves of this card from your hand.)

Punish the Enemy deals 3 damage to target player or planeswalker and 3 damage to target creature.

Destroy target artifact or creature. It can't be regenerated.

Bloodrush — , Discard Pyrewild Shaman: Target attacking creature gets +3/+1 until end of turn.
Whenever one or more creatures you control deal combat damage to a player, if Pyrewild Shaman is in your graveyard, you may pay . If you do, return Pyrewild Shaman to your hand.

: Add or .
, , Sacrifice Rakdos Cluestone: Draw a card.

Flying
Unleash (You may have this creature enter the battlefield with a +1/+1 counter on it. It can't block as long as it has a +1/+1 counter on it.)

Rakdos Guildgate enters the battlefield tapped.
: Add or .

[+1]: Tap target permanent, then untap another target permanent.
[−2]: Ral Zarek deals 3 damage to any target.
[−7]: Flip five coins. Take an extra turn after this one for each coin that comes up heads.

Creatures you control gain indestructible until end of turn. Untap each creature you control.
Fuse (You may cast one or both halves of this card from your hand.)

Target opponent reveals their hand. You choose up to X nonland cards from it and exile them. For each card exiled this way, search that player's graveyard, hand, and library for any number of cards with the same name as that card and exile them. Then that player shuffles their library.

Each player sacrifices an artifact, a creature, an enchantment, a land, and a planeswalker.
Fuse (You may cast one or both halves of this card from your hand.)

Counter target spell. Its controller can't cast spells this turn.

Evolve (Whenever a creature enters the battlefield under your control, if that creature has greater power or toughness than this creature, put a +1/+1 counter on this creature.)
Whenever Renegade Krasis evolves, put a +1/+1 counter on each other creature you control with a +1/+1 counter on it.

Each player sacrifices a multicolored permanent.

Return each creature that dealt damage this turn to its owner's hand.

You gain 1 life for each creature your opponents control. Prevent all damage that would be dealt to you this turn.

First strike
Riot Piker attacks each combat if able.

Rot Farm Skeleton can't block.
, Mill four cards: Return Rot Farm Skeleton from your graveyard to the battlefield. Activate this ability only any time you could cast a sorcery.