Maeve, Insidious Singer is a mythic Legendary Creature — Siren card from Game Night: Free-for-All (GN3), collector number 2. Current market price: — (foil $12.31), TCGplayer market prices via Scryfall.
{2}{U}: Goad target creature. Whenever that creature attacks one of your opponents this turn, you draw a card. (A goaded creature attacks each combat if able and attacks a player other than you if able, until your next turn.)