yugioh deck master duel I messed up in Duel, so now I play a stall deck. – Indiecator Yu-Gi-Oh! Master Duel Deck Building

When considering upgrades for this deck, Grand Arbiter Augustine IV is worth a look-in owing to how it reduces the cost of your blue and white spells, and (rather cruelly) taxes your opponents for every spell they cast

The attack cost might be steep, but discarding energy from the opponent's active Pokmon is a useful effect that should not be overlooked, and this card's disruptive features come together to make it one of the best Fighting-type cards in the current format

Bonescythe Sliver

If your attacks you directly while you control a WIND monster: You can switch all monsters you control to Defense Position, also all WIND monsters you control cannot be destroyed by battle once this turn, also your opponent must attack a monster you control