Nymris, Oona's Trickster is a rare Legendary Creature — Faerie Knight card from Commander Legends (CMR), collector number 288. Current market price: $0.35 (foil $0.61), TCGplayer market prices via Scryfall.
Flash Flying Whenever you cast your first spell during each opponent's turn, look at the top two cards of your library. Put one of those cards into your hand and the other into your graveyard.