Yuki, Lady Edelweiss

{p/u}{p/u}{t}, discard a card: Search your library for a
Jin Gitaxis card, put it onto the battlefield, then shuffle.
{p/w}{p/w}{t}, discard a card: Until your next turn,
target creature you control becomes a
legendary creature named Elesh Norn,
Grand Cenobite and gains
"Other creatures you control get +2/+2"
and "creatures your opponents control get -2/-2"