Raging River [Alpha Edition] World Enchantment Niv-Mizzet

Niv-Mizzet

Set: Zendikar Type: Creature — Elemental Rarity: Rare Cost: {3}{U}{U}{U} Flying

Set: Dragons of Tarkir Prerelease Promos Type: Legendary Creature — Elder Dragon Rarity: Mythic Cost: {4}{B}{R} Flying

Mana Crypt deals 3 damage to you

−12: Exile all cards from target player's library

Raging River [Alpha Edition] World Enchantment Niv-MizzetSet: Alpha Edition Type: Enchantment Rarity: Rare Cost: {R}{R} Whenever one or more creatures you control attack, each defending player divides all creatures without flying they control into a "left" pile and a "right" pile. Then, for each attacking creature you control, choose "left" or "right." That creature can't be blocked this combat except by creatures with flying and creatures in a pile with the chosen label.