Yenna, Redtooth Regent is a rare Legendary Creature — Elf Noble card from Wilds of Eldraine Promos (PWOE), collector number 219p. Current market price: $5.45 (foil $3.49), TCGplayer market prices via Scryfall.
{2}, {T}: Choose target enchantment you control that doesn't have the same name as another permanent you control. Create a token that's a copy of it, except it isn't legendary. If the token is an Aura, untap Yenna, then scry 2. Activate only as a sorcery.