Hadran, Naya Sunseeder is a rare Legendary Creature — Cat Warrior card from Unknown Event (UNK), collector number RZ04b. Current market price: $19.99, TCGplayer market prices via Scryfall.
Rulebreaker — If Hadran, Naya Sunseeder is your Commander, you may include creature cards of power 4 or greater of any color in your deck regardless of color identity. {T}: Add one mana of any color. Whenever a creature with power 4 or greater enters the battlefield under your control, draw a card.