Corrupted Conscience [Mirrodin Besieged] Duel Decks Anthology Set: Hour of Devastation Type:

Set: Hour of Devastation Type: Creature — Demon Rare Cost: {4}{B}{B} Flying Apocalypse Demon's power and toughness are each equal to the number of cards in your graveyard

instead prevent all combat damage that would be dealt this turn by creatures your opponents control

Urza ended his apprenticeship

Set: Oath of the Gatewatch Promos Type: Creature — Eldrazi Rare Cost: {6}{C} ({C} represents colorless mana

Corrupted Conscience [Mirrodin Besieged] Duel Decks Anthology Set: Hour of Devastation Type:Set: Mirrodin Besieged Type: Enchantment Aura Uncommon Cost: {3}{U}{U} Enchant creature You control enchanted creature. Enchanted creature has infect. (It deals damage to creatures in the form of 1 1 counters and to players in the form of poison counters.) Karn's creation is now his master.