You can Special Summon this card (from your hand) by Tributing 1 Machine monster. Once per turn, during your Main Phase: You can Fusion Summon 1 Machine Fusion Monster from your Extra Deck, using monsters from your hand and/or field as material. When a Fusion Monster you control is destroyed by battle: You can banish this card from your GY; add 1 "Power Bond" from your Deck to your hand. You can only use this effect of "Cyber Pharos" once per turn.