Both years had great servants. Which one had better servants?
Muramasa vs. Koyanskaya or darkness
Morgan vs. Charlimange
Koyanskaya of Light vs. Arcurid
Swimsuit Kama vs. Lady Avalon
Take everything into consideration, your justification can be how meta changing they were, how much waifu they are, or your just salty about a roll you did.
Let the battle begin.