Mystical Refpanel

If i activate Nightmare Archfiends and then Mystical Refpanel, do i summon the tokens on my side of the field?

If I'm reading Wikia correctly, it says that Mystical Refpanel activates on Magic Cards, Nightmare Archfiends is a trap card.

So...
Highly unlikely.
http://yugioh.wikia.com/wiki/Mystical_Refpanel

http://yugioh.wikia.com/wiki/Card_Rulings:Mystical_Refpanel?useskin=oasis&cb=1779

http://yugioh.wikia.com/wiki/Nightmare_Archfiends

If you read more closely, "Mystical Refpanel" says "When a spell card is activated". "Nightmare Archfiends" is a trap card so to your question, no.

If you want them to go to your side of the field, use "Remove Brainwashing" or "Owners Seal" instead.