Time Vault [Unlimited Edition] San Diego Comic-Con 2015 Set: Fifth Edition Type: Artifact

Set: Fifth Edition Type: Artifact Rarity: Rare Cost: {1} Mana Vault doesn't untap during your untap step

if it had no -1/-1 counters on it

and Dominaria itself to the point of annihilation

The bigger they are

Set: Revised Edition Type: Creature — Bird Rarity: Rare Cost: {G} Flying

Time Vault [Unlimited Edition] San Diego Comic-Con 2015 Set: Fifth Edition Type: ArtifactSet: Unlimited Edition Type: Artifact Rarity: Rare Cost: {2} Time Vault enters the battlefield tapped. Time Vault doesn't untap during your untap step. If you would begin your turn while Time Vault is tapped, you may skip that turn instead. If you do, untap Time Vault. {T}: Take an extra turn after this one.