Colosseum of Fools

Colosseum of Fools enters the battlefield tapped.
{t}: Add {1}
{1}{t}: Tap an untapped creature you control.
When you do, that creature fights a target
creature you don't control. If the creature
you don't control dies from this ability add {3}. Active this ability only once per turn, before
combat and only as a sorcery.
"Ours is the final destination for all seeking trials of intense and deadly combat." - Little Fool