Lathliss, Dragon Queen is a rare Legendary Creature — Dragon card from Core Set 2019 Promos (PM19), collector number 149s. Current market price: — (foil $17.93), TCGplayer market prices via Scryfall.
Flying Whenever another nontoken Dragon you control enters, create a 5/5 red Dragon creature token with flying. {1}{R}: Dragons you control get +1/+0 until end of turn.