Your search for "Prompthorn MP19-EN001" revealed the following:
Prompthorn - MP19-EN001 - Common - 1st Edition from 2019 Gold Sarcophagus Tin Mega Pack 1st Edition, available at 401 Games Canada. Rarity: Common Card Text:You can Tribute 1 Level 4 or lower Cyberse monster; Special Summon any number of...
Prompthorn - MP19-EN001 - Common - Unlimited from 2019 Gold Sarcophagus Tin Mega Pack Unlimited, available at 401 Games Canada. Rarity: Common Card Text:You can Tribute 1 Level 4 or lower Cyberse monster; Special Summon any number of Cyberse Normal...