Oubliette (Light Mana Cost) [Arabian Nights] Commander Anthology Set: Legends Type: Creature —

Set: Legends Type: Creature — Spawn Rarity: Rare Cost: {4}{U}{U}{U} At the beginning of your upkeep

The cube's surface is pockmarked with jagged runes that seem to shift when unobserved

then shuffle your library

For each permanent destroyed this way

If you would begin your turn while Time Vault is tapped

Oubliette (Light Mana Cost) [Arabian Nights] Commander Anthology Set: Legends Type: Creature —Set: Arabian Nights Type: Enchantment Rarity: Common Cost: {1}{B}{B} When Oubliette enters the battlefield, target creature phases out until Oubliette leaves the battlefield. Tap that creature as it phases in this way. (Auras and Equipment phase out with it. While permanents are phased out, they're treated as though they don't exist.)