yugioh crossroads of chaos booster box Yu-Gi-Oh! Origins quality artwork YuGiOh 5D's Crossroads of Chaos

Deck Themes Masters of Evil focuses on the villainous choice mechanic, where you force an opponent to choose from two distasteful options

If you play a land, cast a spell, or both using the permission granted by Coram's last ability and then have a new Coram come under your control in the same turn, you can still play a land, cast a spell, or both using the new Coram's permission

But with the right pieces Cosima shines in vehicle decks, quirky landfall decks like Tameshi, Reality Architect, and even in exile-matters decks like Ranar, the Ever-Watchful

The front was made generally useful, creating Treasure tokens and allowing you to rummage (i.e., discard and draw)

While not quite Man-o-War, its still a great tempo swing for four mana