all monarch cards yugioh YU-GI-OH! - The Monarchs Erupt (SR01-EN038) - Structure Deck: Emperor of Darkness - Edition All cards will be carefully packed for safe transit VIZ | Blog / CARDS:

One investor observed, Sealed doesnt seem to have this problem

You could steal and play cards out of your opponent's deck

Altered Ego Auton Soldier Callidus Assassin Clever Impersonator Clone Copy Artifact Copy Enchantment Copy Land Copycrook Dack's Duplicate Evil Twin Flesh Duplicate Gigantoplasm Jwari Shapeshifter Machine God's Effigy Masterwork of Ingenuity Mirrorhall Mimic Mirrormade Mockingbird Naga Fleshcrafter Omni-Changeling Phantasmal Image Phyrexian Metamorph Pirated Copy Progenitor Mimic Protean Raider Quicksilver Gargantuan Sakashima the Impostor Sakashima's Protege Sakashima's Student Sculpting Steel Stunt Double Synth Infiltrator Undercover Operative Vesuva Vesuvan Doppelganger Vizier of Many Faces Wall of Stolen Identity

Like with other additional costs, no amount of tax will affect your commanders mana value