Sephiroth, Planet's Heir is a mythic Legendary Creature — Human Avatar Soldier card from Final Fantasy (FIN), collector number 505. Current market price: $9.99, TCGplayer market prices via Scryfall.
Vigilance (Attacking doesn't cause this creature to tap.) When Sephiroth enters, creatures your opponents control get -2/-2 until end of turn. Whenever a creature an opponent controls dies, put a +1/+1 counter on Sephiroth.