yugioh banned deck Replacing cards in Yu-Gi-Oh! Master Duel Swordsoul Explaining All Banned Main Deck

You can stop your opponents monster effects, disrupt their Summoning strategy by making a monster unusable as material, or make it indestructible while its stuck in Attack Position so you can run over it again and again to smash their Life Points

Save Function Works

Poison Mushroom: Because True Exodia causes whoever owns it to lose the game, anyone using the card does so by forcing their opponent to hold such a bad card, as the card states that whoever is controlling it loses the game, not whoever deck it was in

UR Ultra Rare Speedlift X SPELL Quick-Play If you control exactly 1 Tuner and no other monsters: Special Summon 1 Level 4 or lower "Speedroid" monster from your Deck

Deadeye Navigator quickly becomes the most worrisome threat when it enters the battlefield across the table from you