The Do-Over Project is still ongoing because we keep getting saucy new sets with creative and colorful commanders to build new decks with
When he deals combat damage to a player, every spell you cast from your hand for the rest of the turn gains cascade, creating a massive chain of value
Volume discounts (15% at 50+ boxes) reduce prize support costs for regional series
Against the Skypiea version, be wary when you attack their Leader as you might trigger one of their Life Card's effects and create an opportunity for them to develop the board
Prizes for League Challenges may vary from store to store but the bragging as the local Pokmon master are guaranteed
Sacrificing creatures to do other things, like with Helm of Possession, Jinxed Idol, Trading Post, and more, will get things going for you