Quidditch Pitch

{t}: Add {c}. Put a point counter on Quidditch Pitch.

Whenever a creature deals combat damage to you, remove a point counter from Quidditch Pitch.

Whenever a creature you control deals combat damage to an opponent, put a point counter on Quidditch Pitch. Then if it has ten or more point counters on it, remove them all and that player loses the game.