Maralen, Fae Ascendant is a rare Legendary Creature — Elf Faerie Noble card from Lorwyn Eclipsed Promos (PECL), collector number 233p. Current market price: $0.83 (foil $2.47), TCGplayer market prices via Scryfall.
Flying Whenever Maralen or another Elf or Faerie you control enters, exile the top two cards of target opponent's library. Once each turn, you may cast a spell with mana value less than or equal to the number of Elves and Faeries you control from among cards exiled with Maralen this turn without paying its mana cost.