Friedrich, Savage Surgeon

Lifelink, Vigilant
Whenever you gain life, deal damage to opponents equal to life gained.
{3},{t}: Search your library and/or graveyard for a
card called Wolfgang, Hybrid Assassin, Reveal it,
and put it into your hand.
If you search your library this way, shuffle it.
"I find that those who beg for their lives are the most undeserving of them"