Magnet Induction
Card Number: BPRO-AEC24
Card Type: Normal Spell
Rarity: N
Effect Types: Ignition-like / Condition / Trigger-like

If you control a Level 4 or lower EARTH Rock monster : You can target 1 Level 4 or lower " Magnet Warrior " monster in your GY ; Special Summon it. You can only use this effect of "Magnetic Field" once per turn . Once per turn, at the end of the Damage Step , when an EARTH Rock monster you control battled an opponent's monster, but the opponent's monster was not destroyed by the battle : You can return that opponent's monster to the hand .