Rashmi, Eternities Crafter - 184 M KLD Foil

Whenever you cast your first spell each turn, reveal the top card of your library. You may cast it without paying its mana cost if it's a spell with lesser mana value. If you don't cast it, put it into your hand.

mythic
Legendary Creature — Elf Druid
From the Magic: The Gathering set Kaladesh.