City in a Bottle [Arabian Nights] Instant As long as you control

As long as you control another creature

Numsgil did in Blog

Sheoldred weaves every thread of information into a noose to hang her enemies

Set: Aether Revolt Prerelease Promos Type: Creature — Angel Rarity: Mythic Cost: {5}{W}{W} Flying

or planeswalker

City in a Bottle [Arabian Nights] Instant As long as you controlSet: Arabian Nights Type: Artifact Rarity: Rare Cost: {2} Whenever one or more other nontoken permanents with a name originally printed in the Arabian Nights expansion are on the battlefield, their controllers sacrifice them. Players can't cast spells or play lands with a name originally printed in the Arabian Nights expansion.