Each player must send monsters from his/her side of the field to the Graveyard so that he/she only controls 1 Type of face-up monster. As long as this card remains face-up on the field, each player can only Summon or control 1 Type of face-up monster at a time.
![Rivalry of Warlords [MFC-048] Common | Exor Games Bridgewater](http://exor-games-bridgewater.myshopify.com/cdn/shop/products/22357_200w.jpg?v=1609923162)
