Old Man of the Sea [Arabian Nights] Legendary Enchantment and the world will tremble

and the world will tremble

you may exile a nonartifact

Set: Unlimited Edition Type: Land — Swamp Mountain Rarity: Rare ({T}: Add {B} or {R}

If those permanents are exchanged this way

it produces {B} instead of any other type and amount

Old Man of the Sea [Arabian Nights] Legendary Enchantment and the world will trembleSet: Arabian Nights Type: Creature Djinn Rarity: Rare Cost: {1}{U}{U} You may choose not to untap Old Man of the Sea during your untap step. {T}: Gain control of target creature with power less than or equal to Old Man of the Sea's power for as long as Old Man of the Sea remains tapped and that creature's power remains less than or equal to Old Man of the Sea's power.