Sekki, Seasons' Guide is a rare Legendary Creature — Spirit card from Saviors of Kamigawa (SOK), collector number 148. Current market price: $1.59 (foil $15.09), TCGplayer market prices via Scryfall.
Sekki enters with eight +1/+1 counters on it. If damage would be dealt to Sekki, prevent that damage, remove that many +1/+1 counters from Sekki, and create that many 1/1 colorless Spirit creature tokens. Sacrifice eight Spirits: Return this card from your graveyard to the battlefield.