yugioh deck lockdown - DUOV-EN090 - Ultra Rare Monsters cannot be Special Summoned from the Main Deck Lockdown decks : r/Yugioh101

164, no

Silverquill - Repartee Whether witty or not, Silverquill's Repartee mechanic triggers special bonuses whenever you cast an instant or sorcery that targets a creature

If your opponent has an Esper Sentinel , you can just ignore the tax and draw cards while also incentivizing all of your other opponents to pay to keep you from getting even further ahead

Baral, Chief of Compliance is a similar one, making your instants and sorceries cheap and allowing you to loot when you counter your opponents spells, which is what you should be doing anyway

If a card is truly integral to how your deck functions, it needs to be a full playset