Old Sekki

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.

Sacrifice a creature: Target player mills cards equal to the sacrificed creature's power.