Grandmaster's Palace

Grandmaster's Palace enters the battlefield
tapped.
{t}: Add {r}, {w}, or {b} to your mana pool.
{r}{w}{b}, {t}: Target creature you control fights
target creature an opponent controls.
I preside over a little harlequinade called the Contest
of Champions. People come from far and wide to
unwillingly participate in it.
-Grandmaster