Corrupted Conscience [Mirrodin Besieged] Link/Effect monster when your opponent activates a

when your opponent activates a Spell/Trap Card during your Battle Phase

you can activate this effect to remove from play the top card of your Deck and give this card 500 ATK until the End Phase

You can only Special Summon "Mekk-Knight Orange Sunset" once per turn this way

It can't block as long as it has a +1/+1 counter on it

shuffle that opponent's monster into the Deck at the start of the Damage Step

Corrupted Conscience [Mirrodin Besieged] Link/Effect monster when your opponent activates aSet: Mirrodin Besieged Type: Enchantment Aura Rarity: 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.