If you want to break it, you run it with cards like Iroas, God of Victory and Dolmen Gate, and you try and get it going during combat
But these pieces are already strong on their own
You'd need a 5-color commander if you wanted to fit them all in, but for this example, I have a power matters commander, bracket 2, fun deck that is battlecruiser Magic
This second deck will play better against more casual opponents
A modal double-faced card can't be transformed or be put onto the battlefield transformed (even if one of its faces was formerly part of a transforming double-faced card)
For many people starting local or using services like COMC might be the best choice, that eliminates a lot of the risks of selling direct