Chi-Yu

If your opponent has a Stadium in play, discard it. If you discarded a Stadium in this way, during your opponent's next turn, they can't play any Stadium cards from their hand.

場に出ている相手のスタジアムをトラッシュする。トラッシュした場合、次の相手の番、相手は手札からスタジアムを出せない。