Winry Rockbell

When Winry Rockbell enters the battlefield,
search your library for a artefact card, reveal it,
and put it into your hand. Then shuffle your
library.
When an artefact enters the battlefield, Winry Rockbell becomes the best waifu.
"It's equivalant exchange! I'll give you half of my life,
so you give me half of yours!
_ Half? I'll give you all of it!"