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.

Search your library for a basic land card, put it onto the battlefield, then shuffle.
Acclimate.

First strike
Amity — Whenever Tempered Fowl attacks, it deals 1 damage to up to one target creature. It can't block this turn. If exactly one other creature attacked with it, this ability triggers three times instead.

Temple of Origins enters tapped unless you control two or fewer other lands.
As Temple of Origins enters, choose two colors.
{T}: Add one mana of one of the chosen colors.
If you would add mana of a color that wasn't chosen, add {C} instead.

When Tenki enters, it acclimates.
You can't sacrifice Weather enchantments.
{W}{U}{B}{R}{G}, {T}: Tenki acclimates. This ability costs one mana of any color less to activate for each Weather you control.

Destroy target non-Human creature. If it has Berries attached to it, gain control of them. Otherwise, create a Berry token.

Flash
When The Aqua Crew enters, mill six cards, then you gain 1 life for each card type among cards in your graveyard.
Whenever you cast a spell from your graveyard, you may have target nonland permanent become an Island land. This ability triggers only once unless you control a creature named Warden of Depths.

When The Berry Master enters, create a Berry token.
If you would create one or more tokens, also create that many Berry tokens.
{2}, Sacrifice two Berries: Up to one target creature gets +2/+2 until end of turn. Up to one target creature gets -2/-2 until end of turn. You gain 4 life. Activate only as a sorcery.

Vigilance
When The Magma Council enters, it deals damage equal to the number of cards types among permanents you control to target opponent.
Landfall — Once each turn, when a land you control enters, you may have target nonland permanent become a Mountain land.

Create two 1/1 white Golem creature tokens.
Landfall — {W}, Exile The Ruins Awaken from your graveyard: Create a 1/1 white Golem creature token. Activate only as a sorcery and only if a land entered the battlefield under your control this turn.

Reach
Amity — Whenever you attack with Thornfist Bruiser and exactly one other creature, Thornfist Bruiser must be blocked this combat if able.

To the Last Breath deals 4 damage to target attacking or blocking creature.

Flash
Enchant creature
Enchanted creature gets +2/+5.

{1}, {T}: Add one mana of any color.
{T}: Add one mana of any color. You can't spend this mana to cast spells from your hand.

Each player chooses up to seven cards from their graveyard, then discards their hand and returns the chosen cards to their hand.
Exile Turf Warfare.

Double strike

Gain control of target creature until end of turn. Untap that creature. It gains haste until end of turn. You may spend mana of any type to activate its abilities this turn.

Golems you control have trample.
Unflinching Titan can't attack or block unless you control three or more Golems.
Whenever Unflinching Titan enters or attacks, surveil 1. Then you may put a land card from your graveyard onto the battlefield tapped.
{3}, {T}: Create a 1/1 white Golem creature token.

Once each turn, when you activate a nonmana ability, you may have creatures your opponents control get -1/-0 until end of turn.
{2}: Unnerving Moth gains flying until end of turn.

Golems you control without ward have ward {1}.
Unspeaking Titan can't attack or block unless you control three or more Golems.
Whenever Unspeaking Titan enters or attacks, tap up to one target creature and put a stun counter on it.
{3}, {T}: Create a 1/1 white Golem creature token.

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 Urban Explorer enters, return a permanent card with mana value 1 or less from your graveyard to your hand.
Landfall — Whenever a land you control enters, Urban Explorer gets +2/+1 until end of turn.

Mill two cards, then return a creature card from your graveyard to your hand.
Surface {3}{B}

The first spell you cast during each of your opponent's turns cost {U}{B} less to cast.
During each ending phase, nonland cards in your graveyard have flash and surface. The surface cost is equal to their mana cost.
Surface {6}{U}{U}{B}

Flying, haste
Amity — Whenever you attack with Warden of Heart and exactly one other creature, you may put a legendary or Dragon card from your hand onto the battlefield tapped and attacking.