Knowledge Vault [Legends] Human Warrior Ally Enchanted creature doesn't untap during

Enchanted creature doesn't untap during its controller's untap step if it has a sleep counter on it

{T}: Prevent all combat damage that would be dealt this turn

tap all untapped creatures that share a creature type with it or untap all tapped creatures that share a creature type with it

Set: Magic 2011 Type: Creature — Human Monk Rarity: Rare Cost: {W} Lifelink (Damage dealt by this creature also causes you to gain that much life

if Clockwork Beast attacked or blocked this combat

Knowledge Vault [Legends] Human Warrior Ally Enchanted creature doesn't untap duringSet: Legends Type: Artifact Rarity: Rare Cost: {4} {2}, {T}: Exile the top card of your library face down. {0}: Sacrifice Knowledge Vault. If you do, discard your hand, then put all cards exiled with Knowledge Vault into their owner's hand. When Knowledge Vault leaves the battlefield, put all cards exiled with Knowledge Vault into their owner's graveyard.