upgrade

as an additional cost to cast upgrade choose one:
•sacrifice a treasure.
•discard a card.
•remove a +1/+1 counter from a creature you control.
if you sacrificed a treasure add two mana of any color,
if you discarded a card draw a card,
if you removed a +1/+1 counter from a creature you control, put a +1/+1 counter on two different creatures you control