The Defender of Faith

Sturdy (A creature with sturdy nullifies excess trample damage.)
Whenever you gain one or more life, you may pay {1}{w}. If you do, create a 1/1 white human solider creature token with lifelink.
Whenever you lose one or more life, you may pay {1}{b}. If you do, create a 1/1 black zombie soldier creature token with deathtouch.