Xaxlyn, Transmutationist

Flying, Changeling (This card is every creature
type.)
Whenever a creature card is put into a graveyard
from anywhere, put a +1/+1 counter on Xaxlyn
for each creature type that creature had.
{3}{b}: Each player puts the top two cards of their
library into their library. You gain 1 life for each
creature card put into a graveyard this way.