Mist Wurm [HA01-EN023] Secret Rare 2007 Collectors Tin While equipped by this effect

While equipped by this effect

During battle between this card and a Defense Position monster whose DEF is lower than the ATK of this card

During your Main Phase: You can activate this effect

except "Gladiator Beast Bestiari"

You can not Summon other monsters the turn you activate this card (but you can Normal Set )

Mist Wurm [HA01-EN023] Secret Rare 2007 Collectors Tin While equipped by this effectSet: Hidden Arsenal Card type: Synchro Effect Monster Rarity: Secret Rare Attack: 2500 Defense: 1500 1 Tuner + 2 or more non Tuner monsters When this card is Synchro Summoned, return up to 3 cards your opponent controls to the hand.