Ochre Jelly

Trample
Ochre Jelly enters with X +1/+1 counters on it.
Split — When Ochre Jelly 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.

Tyranid

Snake

Beast

Ooze

Forest Dryad

(This creature is affected by summoning sickness, and it has "{T}: Add {G}.")

Treasure

{T}, Sacrifice this artifact: Add one mana of any color.

Pest

When this creature dies, you gain 1 life.