Beastly Thrall

When Bestial Thrall enters the battle-field, you
may discard a card and pay 2 life to put an
Umbra counter on it.
When Bestial Thrallhas an Umbra counter on
it or is enchanted; gains the Rhino and Spirit
types, gets +2/+2, Trample, and "{b/g}{b/g}: +1/+1
until end of turn."
Remove an Umbra counter you control: Bestial
Thrall gets Indestructible until the end of turn.
Destroy target artifact or non-basic land.
"I have changed hate into muscle!"