You can Special Summon this card (from your hand) in Defense Position to your zone a Link Monster points to. You can only Special Summon “Crusadia Maximus” once per turn this way. You can target 1 Crusadia Link Monster you control; this turn, if it battles an opponent s monster, any battle damage it inflicts to your opponent is doubled, also other monsters you control cannot attack. You can only use this effect of “Crusadia Maximus” once per turn.