Blast Magician [FET-EN020] Ultimate Rare Astral Pack 7 You can only use each

You can only use each effect of "Duoterion" once per turn

Monsters you control cannot attack directly during the turn you activate this card

This card gains 100 ATK for each Xyz Material attached to it

Cyberse monsters this card points to cannot be destroyed by card effects

Blast Magician [FET-EN020] Ultimate Rare Astral Pack 7 You can only use eachSet: Flaming Eternity Card type: Effect Monster Rarity: Ultimate Rare Attack: 1400 Defense: 1700 Each time you or your opponent activates 1 Spell Card, put 1 Spell Counter on this card. Remove any number of Spell Counters to destroy 1 face up monster on the field with an ATK equal to or less than 700 points x the number of removed Spell Counters.