Oubliette (Dark Mana Cost) [Arabian Nights] Basic Land Check all monsters your opponent

Check all monsters your opponent controls

you can negate the effect(s) of 1 face-up monster your opponent controls and have this card gain ATK equal to the negated monster's ATK

Set: EX: Holon Phantoms Type: Colorless Rarity: Holo Rare Retreat cost: Colorless

during your opponent's turn

Oubliette (Dark Mana Cost) [Arabian Nights] Basic Land Check all monsters your opponentSet: 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.)