The Junker Queen

Lifelink, Trample, Ultimate Charge
Whenever The Junker Queen gains you life, she
gets +0/+X until end of turn, where X is half the
amount of life gained, rounded up.
{2}{g}: Junker Queen deals 1 damage to target
creature and fights it.
Rampage—{2}{r}{g}, remove 13 ultimate counters
from Junker Queen: Until end of turn, your opponents can't gain life and their creatures can't
gain toughness. Deal 2 damage to your opponents
and all creatures they control.