Chances are youll have most of what you need
2] Runick The Runick deck is a powerful Yu-Gi-Oh Master Duel deck with strong strategies, including the Runick Fountain
Even without Instant Fusion, it's easy to summon with Super Polymerization if the owner controls Relinquished or a fusion substitute monster and the opponent has an Effect Monster to use as Fusion Material
Its a fast-acting, straightforward card in a meta that has gotten increasingly fast and similarly complicated, and there are plenty of Lightning-type Pokmon and support cards to make it shine
While Muldrotha is one of two Commanders you can collect in the Japan Showcase treatment right now (the other being Progenitus), you can expect more popular Legendaries to see the treatment in the future due to the widespread popularity of Commander
though on the other end, if you play no extra deck it's a great mind-game to troll your opponent into thinking you play Monarchs (lol)