Paladin of Purity

{w}: Exile a card from a graveyard.
Whenever you exile a creature card from a graveyard, put a +1/+1 counter on Paladin of
Purity.
Whenever you exile a land card from a graveyard,
you gain 2 life.
Whenever you exile a non-creature, non-land card
from a graveyard, you draw a card.