You missed a play in the last game vs. 'Kitties'. When she played the Journey to Nowhere, you could have sacrificed Bloodthorne to its own ability. Thus, when the enchantment came into play she would be forced to remove one of her own kitties from the game, allowing you to deal with the other via Doom Blade.
Sloppy play gets you kittified.
Sloppy play gets you kittified.