Lah’Krinna, Bloodthirsty

Lifelink
Whenever you gain life, you may pay X life and discard a card, where X is equal to the amount
of life you gained. If you do, look at the top X
cards of your library. Then, you may reveal a
creature card with mana value up to X from
among them, and put it into your hand. Put
The rest cards in the bottom of your library.