Circle of Protection: Blue [Alpha Edition] Khans of Tarkir Whenever a creature you control

Whenever a creature you control deals combat damage to a player

Set: Commander 2014 Type: Creature — Elemental Beast Rarity: Rare Cost: {5}{G} When Grave Sifter enters the battlefield

In turn order

Set: Tenth Edition Type: Creature — Spirit Rarity: Rare Cost: {3}{G}{G} Untap all permanents you control during each other player's untap step

and that player decides whether to flip again

Circle of Protection: Blue [Alpha Edition] Khans of Tarkir Whenever a creature you controlSet: Alpha Edition Type: Enchantment Rarity: Common Cost: {1}{W} {1}: The next time a blue source of your choice would deal damage to you this turn, prevent that damage.