Sans, Bringer of karma

X: Count how many cards are in yours and opponents graveyard and give x amount of points to sans depeneding on the amount of cards
-X: Sans, bringer of karma gains indestructible for the next 2 turn and create X gaster blasters
+20: you cant take damage for the next 10 turn, create 10 gaster blaster and bones, your opponent must discard 10 from their hand or deck,