Theres no substitute for consistent practice in a game as complex as MTG, and this is especially true for combo decks, whose lines of play are so intricate a single misstep can mess up an entire combo
Thunderous Velocipede A vehicle that enables the perfect green ramp Gives creatures & vehicles 1/1 counters Crews 3, & has trample Thunderous Velocipede has basically everything you would want from a stompy vehicle green deck
Solitude can take care of many threats that are just too big for Prismatic Ending, most notably Murktide Regent but also things like Emrakul, the Aeons Torn, and so the two work very well together
For solo adventurers who came from the D&D realm, go for one Set Booster you wont regret the amazing artwork and effort put into this MTG expansion, especially when you can reuse some of those stat cards (theyre pretty uncommon to draw though) for your D&D sessions
Run this version with mass removal effects like Damnation that keep him alive, as well as unblockable like Rogue's Passage and Whispersilk Cloak