Spring Cleaning [Lorwyn] Demon Minion Those creatures don't untap during

Those creatures don't untap during their controllers' next untap steps

Set: Commander 2016 Type: Sorcery Rarity: Rare Cost: {4}{W} Each creature deals damage to itself equal to its power

the trick is knowing how long you can afford to keep it in your service

Set: Commander 2016 Type: Land Rarity: Rare Grand Coliseum enters the battlefield tapped

Spring Cleaning [Lorwyn] Demon Minion Those creatures don't untap duringSet: Lorwyn Type: Instant Rarity: Common Cost: {1}{G} Destroy target enchantment. Clash with an opponent. If you win, destroy all enchantments your opponents control. (Each clashing player reveals the top card of their library, then puts that card on the top or bottom. A player wins if their card had a higher mana value.)