Its also a cat and a snake
Garland, Royal Kidnapper Garrulous Sycophant Grave Venerations Heart-Shaped Herb Jared Carthalion, True Heir Kavu Monarch Keeper of Keys King Solomon's Frogs Knights of the Black Rose M'Baku, Jabari Chieftain Marchesa's Decree Marchesa, Resolute Monarch Nakia, Wakandan Operative Naturalize 2 (playtest) Oath of Eorl Okoye, Mighty and Adored Palace Jailer Palace Sentinels Paliano Protector of the Crown Queen Marchesa Queen Mother Ramonda Regal Behemoth Regal Sliver Skyline Despot Squee, Dubious Monarch Starscream, Power Hungry Starscream, Seeker Leader Staunch Throneguard T'Chaka, Venerable King The Spear of Bashenga Thorn of the Black Rose Throne Warden Throne of the High City Wowzer, the Aspirational (playtest) omer, King of Rohan
If you don't put it onto the battlefield, put it into its owner's hand
Frequently, the best way to fight an Aetherling in a blue mirror is to play your own Aetherling