Gage, Almighty Draft King

When Gage, Almighty Draft King enters the battlefield, each opponent loses X life, where X is
the amount of Draft Trophies on Gages Shelf.

{p/u}{p/b}{p/r}, {t}, Each opponent sacrifices a creature:
You gain life equal to the highest power among creatures sacrificed this way. If the life you gained this way is X or more, untap Gage, Almighty Draft King.

I am the best!