Dawnsire, Sunstar Dreadnought is a mythic Legendary Artifact — Spacecraft card from Edge of Eternities Promos (PEOE), collector number 238p. Current market price: $12.85 (foil $12.75), TCGplayer market prices via Scryfall.
Station (Tap another creature you control: Put charge counters equal to its power on this Spacecraft. Station only as a sorcery. It's an artifact creature at 20+.) 10+ | Whenever you attack, Dawnsire deals 100 damage to up to one target creature or planeswalker. 20+ | Flying