{B}{G}: Adapt 1. (If this creature has no +1/+1 counters on it, put a +1/+1 counter on it.) Whenever this creature attacks, put a +1/+1 counter on target modified creature you control. (Equipment, Auras you control, and counters are modifications.)

Flash Devour 1 (As this creature enters, you may sacrifice any number of creatures. It enters with that many +1/+1 counters on it.)

Whenever this creature attacks, exile the top card of your library. If it's a creature card, this creature gets +X/+Y until end of turn, where X is the exiled creature card's power and Y is its toughness.

({T}: Add {G}.)

Deathtouch (Any amount of damage this deals to a creature is enough to destroy it.) When this creature enters, destroy target artifact, enchantment, or land.

Whenever this creature blocks or becomes blocked by an equipped creature, destroy all Equipment attached to that creature at end of combat.

Engulf — When this creature enters, exile target non-Ooze creature an opponent controls until this creature leaves the battlefield. Dissolve — {X}{B}: Put target creature card with mana value X exiled with this creature into its owner's graveyard.

Flash When this creature enters, counter target activated or triggered ability from an artifact or enchantment source. If a permanent's ability is countered this way, destroy that permanent. Foretell {G} (During your turn, you may pay {2} and exile this card from your hand face down. Cast it on a later turn for its foretell cost.)

At the beginning of your upkeep, put a +1/+1 counter on this creature. At the beginning of your end step, destroy each creature with mana value equal to the number of +1/+1 counters on this creature. Dredge 2 (If you would draw a card, you may mill two cards instead. If you do, return this card from your graveyard to your hand.)

Storm (When you cast this spell, copy it for each spell cast before it this turn. Copies become tokens.) Aeve isn't legendary if it's a token. Aeve enters with a +1/+1 counter on it for each other Ooze you control.

When this creature enters, create a 2/2 green Ooze creature token. At the beginning of your end step, put a +1/+1 counter on each Ooze you control. {1}{G}{G}{G}: Create a 2/2 green Ooze creature token.

Oozes you control get +1/+1. At the beginning of your upkeep, if you control a commander, create a token that's a copy of this creature.

Trample This creature enters with X +1/+1 counters on it. Split — When this creature dies, if it had two or more +1/+1 counters on it, create a token that's a copy of it at the beginning of the next end step. The token enters with half that many +1/+1 counters on it, rounded down.

{4}{G}{G}: Monstrosity 3. (If this creature isn't monstrous, put three +1/+1 counters on it and it becomes monstrous.) When this creature becomes monstrous, create a token that's a copy of this creature. (The token has no counters and isn't monstrous.)