Time Vault [Collectors’ Edition] SM11 You can only use each

You can only use each effect of "Duoterion" once per turn

Set: Collectors’ Edition Type: Sorcery Rarity: Rare Cost: {X}{B} Target player discards X cards at random

Set: Black & White: Boundaries Crossed Type: Supporter Rarity: Ultra Rare

If this face-up card is destroyed while it is in a Monster Card Zone

Time Vault [Collectors’ Edition] SM11 You can only use eachSet: Collectors 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.