(I'm assuming the foal patrol means Sparky and co.)
"Um..." Sliverpine searched the depths of his mind for a suitable game to play. "I know! Why don't we play Monsters? Here, I'll be the scary monster that shall destroy this castle. Muahahahaha!" Sliverpine stood up on his hindlegs and imitated Godzilla. Rather badly. But yeah, he got his point across.