Fusion Summon 1 "Magikey" Fusion Monster from your Extra Deck, using monsters from your hand or field as Fusion Material, OR Ritual Summon 1 "Magikey" Ritual Monster from your hand, by Tributing monsters from your hand or field whose total Levels equal or exceed its Level.
If you control a Normal Monster, you can also send 1 Normal Monster from your Deck to the GY as material or Tribute.