Caltrops [Seventh Edition] Friday Night Magic 2007 if you control no other

if you control no other monsters: You can detach 1 Xyz Material from this card

if you control a face-up "Gladiator Beast" monster: Negate the activation and destroy it

• 2 Herald of Ravages (3)

the controller of the permanent it becomes sacrifices it at the beginning of the next cleanup step

You cannot activate other cards or effects during the turn you activate this card's effect

Caltrops [Seventh Edition] Friday Night Magic 2007 if you control no otherSet: Seventh Edition Type: Artifact Rarity: Uncommon Cost: {3} Whenever a creature attacks, Caltrops deals 1 damage to it. The Eastern Paladin knew how highly his southern rival valued horses, so he gleefully prepared a suitable welcome.