User blog comment:ShadowKaras/Season 4 Battle Guessing/@comment-27631411-20160424010933/@comment-25968390-20160424113021

Wario vs Greed (FULL METAL ALCHEMIST)? Also I'll have to answer your guesses here since a fragging raid is going on. Seija vs Palkia is correct. Shiro & Arturia Pendragon/Saber is from the right series, but is the wrong Master/Servant. As a hint, it is a MUCH MORE obscure partnership...

Also, as a note, There is more than one of each class, so next time, may I suggest stating the Servant's true name? That way it would be more distinct, and it would make more sense. OK?