Ultra Polymerization, Secret Rare Yu-Gi-Oh! card MP18-EN014 from 2018 Mega-Tin Mega Pack, released August 30, 2018. See its other printings, check its price and track whether you own it with Trak Vault.
Ultra Polymerization from 2018 Mega-Tin Mega Pack has a TCGplayer market price of $1.37 (USD) as of November 13, 2026, for the 1st Edition printing.
This Ultra Polymerization is from 2018 Mega-Tin Mega Pack.
Ultra Polymerization in 2018 Mega-Tin Mega Pack is Secret Rare.
All 2018 Mega-Tin Mega Pack cards · Every Ultra Polymerization card