Consider

Trample This creature enters with a +1/+1 counter on it for each creature that died this turn.

When this creature enters, put a +1/+1 counter on target creature.

T: Add C. 2, T, Sacrifice this land: Destroy target nonbasic land an opponent controls. Each player searches their library for a basic land card, puts it onto the battlefield, then shuffles.

Defender Tap three untapped creatures you control: Surveil 1. (Look at the top card of your library. You may put that card into your graveyard.)

Coven — At the beginning of combat on your turn, if you control three or more creatures with different powers, this creature gains trample until end of turn.

When this creature dies, mill three cards. (Put the top three cards of your library into your graveyard.) Disturb 3UU (You may cast this card from your graveyard transformed for its disturb cost.)

T: Add U. Spend this mana only to pay a disturb cost or cast an instant or sorcery spell.

Choose one — • Burn Down the House deals 5 damage to each creature and each planeswalker. • Create three 1/1 red Devil creature tokens with "When this token dies, it deals 1 damage to any target." They gain haste until end of turn.