Landfall — Whenever a land you control enters, Plucky Trainer gets +2/+2 until end of turn.

Once each turn, when you activate a creature, you may create a tapped token that's a copy of it, except it's a 1/1 Toy in addition to its other types and it isn't legendary.

Poised Flame deals 2 damage to any target.
Add {R}{R}. You can't spend this mana to cast spells.

When Poisoned Rose enters, create a Berry token.
{B}, Sacrifice a Berry: Target creature gets -1/-1 until end of turn. You can't activate this ability during combat.

When Pollen Warning enters, create a 1/1 green Plant creature token, then put a +1/+1 counter on a creature you control.

When Practicing Guru enters, create a Berry token.
Practicing Guru gets +1/+1 as long as you've sacrificed a Berry that was attached to it this turn.
Sacrifice a Berry attached to Practicing Guru: It gains indestructible until end of turn.

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

{T}: Add {C}.
{3}, {T}, Sacrifice Prickly Dunes: Create two 1/1 green Plant creature tokens. Activate only as a sorcery.

Primal Fissure enters tapped unless you control two or fewer other lands.
{T}, Sacrifice Primal Fissure: Search your library for a basic land card, put it onto the battlefield, then shuffle.

When Primordial Seas enters and whenever you cast a spell, create a token that's a copy of another target permanent you control.

{T}: Create a 1/1 blue Fish creature token with haste. Exile it at the beginning of the next end step. Activate only as a sorcery.

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.

{U}: Psychohopper gains flying until end of turn.
{2}{G}: Psychohopper gets +2/+2 until end of turn. Activate only once each turn.

Trample
Amity — Whenever you attack with Puddle Crasher and exactly one other creature, look at the top three cards of your library. Put one of them into your hand and the rest into your graveyard.

Whenever you attack, create a tapped and attacking token that's a copy of target attacking creature, except it isn't legendary. Sacrifice it at the beginning of the next end step.

Menace
When Reaper of the Deep enters, mill two cards. You may repeat this process until there are seven or more cards in your graveyard.
Surface {5}{B}{B}

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.

Vigilance
Whenever Reborn Reef attacks, target card in your graveyard gains surface until end of turn. The surface cost is equal to its mana cost.

Whenever Reborn Scuttler attacks, up to one target creature has base toughness 1 until end of turn.

At the beginning of your end step, you gain 2 life if you cast a spell from your graveyard this turn, then you gain 2 life if a card was put into your graveyard from your library this turn.
Surface {4}{G}{G}

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.

Vigilance
{2}{W}: Create a Berry token and attach it to Restless Sloth.

Surface {2}{B}{G}{U}. Riverbed Snapper surfaces transformed.

Amity — Whenever you attack with Rollephant and exactly one other creature, Rollephant gets +2/+2 until end of turn.

Lifelink
Landfall — Whenever a land you control enters, create a Berry token. You may attach it to Rooting Raccoon.