Bronzebeak Moa | Creature | Bird | Whenever another creature enters the battlefield under your control, Bronzebeak Moa gets +3/+3 until end of turn. | James Ryman
Trostani's Summoner | Creature | Elf Shaman | When Trostani's Summoner enters the battlefield, create a 2/2 white Knight creature token with vigilance, a 3/3 green Centaur creature token, and a 4/4 green Rhino creature token with trample. | Howard Lyon