Your search for "Kaiser Colosseum MFC-031" revealed the following:
Kaiser Colosseum - MFC-031 - Common - 1st Edition from Magician's Force 1st Edition, available at 401 Games Canada. Rarity: Common Card Text:When there is 1 or more monster on the field of the controller of this card, his/her opponent...
Kaiser Colosseum - MFC-031 - Common - Unlimited from Magician's Force Unlimited, available at 401 Games Canada. Rarity: Common Card Text:When there is 1 or more monster on the field of the controller of this card, his/her opponent cannot place...