Evolutionary Leap

{G}, Sacrifice a creature: Reveal cards from the top of your library until you reveal a creature card. Put that card into your hand and the rest on the bottom of your library in a random order.

Hangarback Walker

Hangarback Walker enters the battlefield with X +1/+1 counters on it. When Hangarback Walker dies, put a 1/1 colorless Thopter artifact creature token with flying onto the battlefield for each +1/+1 counter on Hangarback Walker.{1}, {T}: Put a +1/+1 counter on Hangarback Walker.

Pia and Kiran Nalaar

When Pia and Kiran Nalaar enters the battlefield, put two 1/1 colorless Thopter artifact creature tokens with flying onto the battlefield. {2}{R}, Sacrifice an artifact: Pia and Kiran Nalaar deals 2 damage to target creature or player.

Cinder Glade

Outnumber

Nissa, Voice of Zendikar

Oath of Nissa

Sylvan Advocate

Arlinn Kord/Arlinn, Embraced by the Moon

Game Trail

Westvale Abbey/Ormendahl, Profane Prince

Galvanic Bombardment

Hanweir Battlements/Hanweir, the Writhing Township

Hanweir Garrison/Hanweir, the Writhing Township

Incendiary Flow

Ishkanah, Grafwidow

Evolving Wilds

{T}, Sacrifice Evolving Wilds: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle your library.

Mountain

({T}: Add {R}.)

Forest

({T}: Add {G}.)