Skysovereign, Consul Flagship is a mythic Legendary Artifact — Vehicle card from Kaladesh (KLD), collector number 234. Current market price: $1.84 (foil $6.94), TCGplayer market prices via Scryfall.
Flying Whenever Skysovereign enters or attacks, it deals 3 damage to target creature or planeswalker an opponent controls. Crew 3 (Tap any number of creatures you control with total power 3 or more: This Vehicle becomes an artifact creature until end of turn.)