War of the Spark :: Neheb, Dreadhorde Champion

Eratta

Legendary Creature — Zombie Minotaur Warrior
Trample Whenever Neheb, Dreadhorde Champion deals combat damage to a player or planeswalker, you may discard any number of cards. If you do, draw that many cards and add that much {R}. Until end of turn, you don't lose this mana as steps and phases end.

Other Releases

War of the Spark ...