madolche card sleeves Yu-Gi-Oh! - The Infinite Forbidden and only once that turn. HAT Format Deck Guide: Madolche

As if this wasnt enough, there are many support cards that leverage this further by having effects like any spell or trap your opponent activates in the same column as a Mekk-Knight you control is negated and a similar one that negates monster effects

This led to Instant Fusion becoming a pretty massive problem card, and it caused a lot of FTK/OTK situations, so banning it was the only reasonable decision

So having a card that can be used multiple times can become really valuable

These boss monsters are used to disrupt the opponents plays and provide openings to defeat the opponent in a single battle phase

White Stone of Legend made bringing the titular monster out of the deck trivial, while Tuners made it easy for Synchros