Ars Magna "Citrinitas"

“(This card is always treated as an "Artmage", "DoomZ", and "Elfnote" card.) While you control a "Power Patron" Link Monster, you can activate the effects of monsters you control with "Ars Magna" in their original names, as Quick Effects. Once, while this card is face-up on the field, during your Main Phase: You can add 1 "Medius" or "Ars Magna" monster from your Deck to your hand. You can only use this effect of "Ars Magna "Citrinitas"" once per turn.”