riftbound: league of legends tcg: origins - booster box Riftbound Chinese Slim Powering up your deck with 14 Riftbound League of Legends Trading

So perhaps there's a mix of reasons: WotC wants to address player fatigue, decides to make less precons, WotC also wants to nudge new players into Standard rather than Commander, Between new and returning players, UB sets have more traction among returning players , who are less likely to need a precon to jump back into the fray

C Common VWXYZ-Dragon Catapult Cannon X LIGHT Level 8 [ MachineFusionEffect ] ATK 3000 DEF 2800 "VW-Tiger Catapult" + "XYZ-Dragon Cannon" Must first be Special Summoned (from your Extra Deck) by banishing the above cards you control

Siren Stormtamer

I have a basic frame using Amethyst only, which you can see at Dreamborn