Zirda, the Dawnwaker is a rare Legendary Creature — Elemental Fox card from Ikoria: Lair of Behemoths Promos (PIKO), collector number 233s. Current market price: — (foil $6.31), TCGplayer market prices via Scryfall.
Companion — Each permanent card in your starting deck has an activated ability. (If this card is your chosen companion, you may put it into your hand from outside the game for {3} as a sorcery.) Abilities you activate that aren't mana abilities cost {2} less to activate. This effect can't reduce the mana in that cost to less than one mana. {1}, {T}: Target creature can't block this turn.