Your search for "Cyber Summon Blaster POTD-EN057" revealed the following:
Cyber Summon Blaster - POTD-EN057 - Rare - 1st Edition from Power of the Duelist 1st Edition, available at 401 Games Canada. Rarity: Rare Card Text:Each time a Machine-Type monster(s) is Special Summoned, inflict 300 damage to your opponent.
Cyber Summon Blaster - POTD-EN057 - Rare - Unlimited from Power of the Duelist Unlimited, available at 401 Games Canada. Rarity: Rare Card Text:Each time a Machine-Type monster(s) is Special Summoned, inflict 300 damage to your opponent.
Cyber Summon Blaster - POTD-EN057 - Ultimate Rare - 1st Edition from Power of the Duelist 1st Edition, available at 401 Games Canada. Rarity: Ultimate Rare Card Text:Each time a Machine-Type monster(s) is Special Summoned, inflict 300 damage to your...
Cyber Summon Blaster - POTD-EN057 - Ultimate Rare - Unlimited from Power of the Duelist Unlimited, available at 401 Games Canada. Rarity: Ultimate Rare Card Text:Each time a Machine-Type monster(s) is Special Summoned, inflict 300 damage to your opponent.