I do not know if you intend to add cards, however I do know that there is plenty of material with which to gain inspiration
Legendary Duellists: immortal Destiny reimagines dark necrofear and creates new ways to assemble and defend the Destiny board as it spells out its message of despair
(This includes Pokmon that come into play during this turn or during your opponents next turn.) (You cant use more than 1 VSTAR Power in a game.) Zamazenta Ability: Metal Shield If this Pokmon has any Energy attached, it takes 30 less damage from attacks (after applying Weakness and Resistance)
Eight new battles are available in the Intermediate tier, nine are available in the Advanced tier, and eight are available in the Expert tier, though none have been added to the simplest Beginner tier
Ashnod's Altar and Phyrexian Altar round things out and maybe provide a little mana
I could see playing either Demonic Embrace or Mind Carver in Rogues but Mind Carver is almost strictly better