Defender of the Heart

{w}: Defender of the Heart gains +0/+2 or
Protection from the color of your choice until
end of turn.
Exile Defender of the Heart: The next time you
would lose the game this turn, instead remove X
Poison counters from you where X is equal to Defender of the Heart's toughness, and your life
total becomes equal to Defender of the Heart's
toughness.