Amity — Whenever you attack with Temperamental Chick and exactly one other creature, Temperamental Chick deals 1 damage to up to one target creature. When Temperamental Chick deals combat damage to a player this combat, you may transform it.

Menace
Amity — Whenever you attack with Splitting Smog and exactly one other creature, you may pay {1}{R}. If you do, attacking creatures you control get +2/+0 until end of turn.

Haste
Amity — Whenever you attack with Solid Smog and exactly one other creature, you may pay {R}. If you do, transform Solid Smog.

Amity — This spell costs {R} less to cast if you attacked with exactly two creatures this turn.
When you cast your next instant or sorcery spell this turn, copy it. You may choose new targets for the copy.

{R}, {T}: Copy target activated ability you control. You may choose new targets for the copy.

Haste
Landfall — Whenever a land you control enters, Leaping Hatchling gains flying and trample until end of turn.

{T}: Lavaborn Slug deals 1 damage to target player.
Landfall — Whenever a land you control enters, untap Lavaborn Slug.

Trample, haste
Landfall — When a land you control enters, target creature can't block this turn.
At the beginning of your end step, return Generator Alpha or a land you control to its owner's hand.

This spell can't be countered.
First strike, haste
Whenever an opponent casts a spell during your turn, End of Mutations deals 5 damage to them.

Flying
Amity — Whenever you attack with Earthbreaker Dragon and exactly one other creature, Earthbreaker Dragon deals 1 damage to each of up to two target creatures without flying.

When Desolate Lands enters and whenever you cast a spell, it deals 3 damage to target opponent unless they sacrifice a permanent.

Charge Beam deals 4 damage to target creature or planeswalker.
Amity — If you attacked with exactly two creatures this turn, Charge Beam deals 2 damage to that permanent's controller.

Haste
{T}, Discard a card: Put a +1/+1 counter on another target creature you control and untap it. It gains haste until end of turn. Activate only as a sorcery.

Landfall — Whenever a land you control enters, each opponent loses 1 life.

Golems you control have menace.
Unyielding Titan can't attack or block unless you control three or more Golems.
Whenever Unyielding Titan enters or attacks, target opponent reveals their hand. Exile a nonland card from their hand or graveyard.
{3}, {T}: Create a 1/1 white Golem creature token.

When Smiling Sludge enters, create a Berry token.
Whenever you sacrifice a nonland permanent, target opponent loses 1 life and you gain 1 life.

When Shadow Sky enters and whenever you cast a spell, each creature target player controls gets -1/-1 until end of turn.

Ward—Discard a card.
Whenever Reborn Fisher attacks, choose a nonland card name, then defending player reveals their hand and discards a card with that name if able.

{B}, Sacrifice Serrated Fossil: Choose a nonland card name. Target player reveals their hand and discards a card with that name if able. Activate only as a sorcery.
Surface {3}{B}{B}. Serrated Fossil surfaces transformed.

Flying
Surface {2}{B}{B}. This spell costs {1}{B}{B} less if you control a creature named Relentless Bats.
A deck can have any number of cards named Relentless Bats.

Flying, haste
Landfall — Whenever a land you control enters, put a +1/+1 counter on Pressuring Ghoul unless any opponent discards a card.

You draw two cards and you lose 2 life.
Landfall — If a land entered the battlefield under your control this turn, each opponent loses 2 life.

Menace
Whenever Ship Shredder enters or you cast a spell from your graveyard, each opponent loses 2 life and you gain 2 life.

Whenever you cast a spell from your graveyard, each opponent loses 1 life and you gain 1 life.
Surface {3}{B}{B}. Chum Chaser surfaces transformed.

This spell can't be countered.
Trample
Surface {3}{U}{U}. Wrecking Whale surfaces tapped.