Stalwart Liberator

Whenever one or more defense counters are
removed from a battle you control, create that
many 1/1 red Survivor creature tokens.

{2}{r}, {t}, Discard a card: Target creature you
control wages a battle. (Create a colorless Confrontation battle token with starting defense 3.
As it enters, choose an opponent to protect it. You
and others can attack it. When it's defeated, draw
a card and put a +1/+1 counter on each creature
you control.)