S-Force Dog Tag

During your Main Phase, your opponent cannot activate the effects of monsters in the same column as one of your "S-Force" monsters. If your opponent Normal or Special Summons a monster(s) while you control an "S-Force" monster (except during the Damage Step): You can Special Summon this card from your hand. You can only use this effect of "S-Force Dog Tag" once per turn.

Machine LIGHT Effect Monster 5 effect