Reposing Regal

Defender
{b/r}, Put a -1/-1 counter on Reposing Regal: until end of turn, Reposing Regal gets +4/+0, gains menace, and loses defender. Activate this ability only once per turn.
Whenever you cast a spell with Madness from exile, you may remove a -1/-1 counter from Reposing Regal.