Etali, Primal Storm 
Legendary Creature - Elder Dinosaur
| Power/Toughness:
6 / 6
Whenever Etali, Primal Storm attacks, exile the top card of each player's library, then you may cast any number of nonland cards exiled this way without paying their mana costs.
Latest set:
[RIX]
Rivals of Ixalan (
R ·
#100 )