Daring Waverider is a uncommon Creature — Otter Wizard card from Bloomburrow (BLB), collector number 44. Current market price: $0.20 (foil $0.33), TCGplayer market prices via Scryfall.
When this creature enters, you may cast target instant or sorcery card with mana value 4 or less from your graveyard without paying its mana cost. If that spell would be put into your graveyard, exile it instead.