Chaos Emperor Dragon - Envoy of the End [DPKB-EN016] Ultimate Rare Fire[-30] You don't ask why a

You don't ask why a plague spreads or a field burns

This can only be Special Summoned by Tributing "Sanha of the Thunder"

Set: Double Masters Type: Artifact Rarity: Rare Cost: {2} Whenever a permanent becomes untapped

Set: Innistrad: Crimson Vow Prerelease Promos Type: Enchantment Rarity: Mythic Cost: {3}{U} Whenever a nontoken Zombie enters the battlefield under your control

Set: Alpha Edition Type: Creature — Merfolk Rarity: Common Cost: {U} Most human scholars believe that Merfolk are the survivors of sunken Atlantis

Chaos Emperor Dragon - Envoy of the End [DPKB-EN016] Ultimate Rare Fire[-30] You don't ask why aSet: Duelist Pack: Kaiba Card type: Effect Monster Rarity: Ultimate Rare Attack: 3000 Defense: 2500 This card cannot be Normal Summoned or Set. This card can only be Special Summoned by removing from play 1 LIGHT and 1 DARK monster in your Graveyard. You can pay 1000 Life Points to send all cards in both players' hands and on the field to the Graveyard. Inflict 300 damage to your opponent for each card sent to the Graveyard by this effect.