twilight sparkle mtg commander deck How to build a Magic The Gathering around Princess to troll friends? Equestria Daily - MLP Stuff!:

Welcoming gameplay for casual players, with strategic depth for more competitive play

Not only does this define the theme for your deck, but it also sets the color identity youll be limited to

Instead of one creature becoming another creature, we tied the connection to a creature type (it was Lorwyn after all)

Its a very strange theme that leads to an underwhelming precon

I'll make it as concise and clear as possible on how to make the combo repeatable, though you should know that using any infinite combo might be grounds for a rule 0 discussion before your game

Rendered with expressive brushstrokes and rich, painterly textures, the scene places Vivi mid-stride in an enchanted forest, staff in hand, surrounded by flickering light and subtle magical details