Whenever you cast a grean creature spell, you may search your library for a creature card and reveal it. If you do, shuffle your library and put that card on top of it. Whenever you cast a blue creature spell, reveal the top card of your library. If it's a creature card, put that card into your hand.
Legendary Creature - Elf Wizard
Victor Adame Minguez
Momir Vig, Simic Visionary
From the Vault: Lore