Generaider Boss Room – (Mystic Fighters) – (MYFI-EN038) – (Super Rare)

When your opponent activates a card or effect in response to the activation of your “Generaider” card or effect: You can discard 1 card; your opponent’s activated effect becomes “each player draws 1 card”. You can only use this effect of “Generaider Boss Room” once per turn.