Mulldrifter

Flying
When this creature enters, draw two cards.
Evoke {2}{U} (You may cast this spell for its evoke cost. If you do, it's sacrificed when it enters.)

Malevolent Rumble

Reveal the top four cards of your library. You may put a permanent card from among them into your hand. Put the rest into your graveyard. Create a 0/1 colorless Eldrazi Spawn creature token with "Sacrifice this token: Add {C}."

Llanowar Elves

Fyndhorn Elves

Growth Spiral

Draw a card. You may put a land card from your hand onto the battlefield.

Forest

Bayou Groff

As an additional cost to cast this spell, sacrifice a creature or pay {3}.