Ceallach summoned the Servant Arturia Pendragon of the Saber class. Check it out Dave!!!!Which Servant would you summon in a Holy Grail War? - ShindanMaker (en)
Between me and soulofdragon we made a shindanmaker that chooses for you your Servant in the Holy Grail War. It uses all of the confirmed Servants
summoned the Servant Shakespeare of the Caster class
"Abby summoned Servant Karna Son of the Sun God, of the Lancer class"
"olox summoned the Servant Cú Chulainn of the Lancer class"
DAMN RIGHT HELL YEAH