Incubation Druid

{T}: Add one mana of any type that a land you control could produce. If Incubation Druid has a +1/+1 counter on it, add three mana of that type instead.
{3}{G}{G}: Adapt 3. (If this creature has no +1/+1 counters on it, put three +1/+1 counters on it.)

Ant Queen

{1}{G}: Create a 1/1 green Insect creature token.

Devouring Tendrils

Target creature you control deals damage equal to its power to target creature or planeswalker you don't control. When the permanent you don't control dies this turn, you gain 2 life.

Myr Superion

Spend only mana produced by creatures to cast this spell.

Regrowth

Return target card from your graveyard to your hand.

Centaur Glade

{2}{G}{G}: Create a 3/3 green Centaur creature token.

Band Together

Up to two target creatures you control each deal damage equal to their power to another target creature.

Llanowar Elves

Forest

Ilysian Caryatid

{T}: Add one mana of any color. If you control a creature with power 4 or greater, add two mana of any one color instead.