Force Healing

Choose an effect. Add its cost to this spell's base cost.
•{1}Heal: target nonartifact creature gains lifelink until
end of turn.
•{2} Improved Heal: target nonartifact creature gets
+1/+2 and gains lifelink until end of turn. Remove a poison counter.
•{2}{w} Master Heal: Remove all stun counters
from target nonartifact creature and untap it. It gets
+2/+3 and gains lifelink until end of turn. Remove
up to 2 poison counters. Draw a card.