Eris, Roar of the Storm

Legendary Creature — Elemental Warlock — {8}{U}{R}

This spell costs {2} less to cast for each different mana value among instant and sorcery cards in your graveyard.
Flying, prowess
Whenever you cast your second spell each turn, create a 4/4 red Dragon Elemental creature token with flying and prowess.

Rarity: mythic

EDHREC rank: 6624