Extort (Whenever you cast a spell, you may pay . If you do, each opponent loses 1 life and you gain that much life.)
, Sacrifice a non-Spirit creature: Return target creature card from your graveyard to your hand It perpetually becomes a Spirit, has base power and toughness 1/1, and gains "You may pay
rather than pay this spell's mana cost." Activate only as a sorcery.