Siegmeyer of Catarina

Siegmeyer of Catarina enters the battlefield tapped.
Undying (When this creature dies, if it had no
+1/+1 counters on it, return it to the battlefield under its owner's control with a +1/+1 counter on it.)
Madness {1}{b} (If you discard this card, discard it into exile. When you do, cast it for its madness cost or
put it into your graveyard.)