Alleviating Sap

Healing Properties — {p/g}, {t}: Choose one then sacrifice Alleviating Sap —
• If you paid {g} to activate Healing Properties:
Gain 1 life for each green creature in your
graveyard.
• If you paid 2 life to activate Healing Properties: Retrieve two creatures from your graveyard and
put them on top of your deck in any order.