you summon three servants from the throne of heroes

Gilgamesh: Hahaha! For you to summon me like this, I see your luck has run out, Mongrel! Fufuhahahahaha! Being able to summon me means that you've used up all of your luck, Mongrel!

Ozymandias: My name is Ozymandias, master. The King of Kings. Look on my works, ye Mighty, and despair!

Artoria: Oh for god's sake quiet down you two!!!. anyways my name is artoria pendragon, also known as king arthur, are you our master.