If this card is Normal or Special Summoned: You can Special Summon 1 Level 4 or lower "Magnet Warrior" monster from your hand, except "Gamma The Electromagnet Warrior". You can only use this effect of "Gamma The Electromagnet Warrior" once per turn. During your opponent's turn: You can Tribute this card; Special Summon 1 Level 4 "Magnet Warrior" monster from your Deck (this is a Quick Effect).