Your search for "decode talker sp18-en031" revealed the following:
Decode Talker - SP18-EN031 - Starfoil Rare - 1st Edition from Star Pack VRAINS 1st Edition, available at 401 Games Canada. Rarity: Starfoil Rare Card Text:2+ Effect MonstersGains 500 ATK for each monster it points to. When your opponent activates...
Decode Talker - YS18-EN043 - Common - 1st Edition from Starter Deck: Codebreaker 1st Edition, available at 401 Games Canada. Rarity: Common Card Text:2+ Effect MonstersGains 500 ATK for each monster it points to. When your opponent activates a card...