Duergar Hedge-Mage [Commander 2011] Shadows over Innistrad Prerelease Promos Whenever enchanted creature deals damage

Whenever enchanted creature deals damage to a player

Set: Mirrodin Type: Artifact Creature — Myr Rarity: Common Cost: {2} {T}: Add {R}

Set: Portal Three Kingdoms Type: Creature — Human Soldier Rarity: Common Cost: {W} After making the Peach Garden Oath

but because you're there

Duergar Hedge-Mage [Commander 2011] Shadows over Innistrad Prerelease Promos Whenever enchanted creature deals damageSet: Commander 2011 Type: Creature Dwarf Shaman Rarity: Uncommon Cost: {2}{R W} When Duergar Hedge Mage enters the battlefield, if you control two or more Mountains, you may destroy target artifact. When Duergar Hedge Mage enters the battlefield, if you control two or more Plains, you may destroy target enchantment.