Betsy Daine

Indestructible, Hexproof, First Strike
{u}: This gains Trample until end of turn.
When this is blocked, each blocking creature gets
-2/-1 until end of turn. For each creature killed
by blocking, this gains +1/+0.
When this deals damage to an opponent, that
opponent shuffles their deck, then exiles cards
from the top of their deck equal to the number
of creatures killed this turn.