Mordenkainen definitely has a deep connection with the D&D lore, but as it stands it's just too expensive and its abilities don't seem to go anywhere
From there, you can probably handle all the smaller threats in their hand and just dont want them to draw the perfect curve-topper
Fun fact: Flickering Galadriel gets around the choose one that hasnt been chosen clause since it counts as a new instance of the permanent
Because Im dipping my toes into so many colors, having colorless lords like Universal Automaton and Metallic Mimic became important for making sure that I could always boost my allies without having to sweat over my mana
However, it will leave you with only two snow mana, and you will need at least one additional snow mana to start the combo
Im concerned about playing too many non-cycling cards, and it does open us up to Magma Spray a bit more