A useful test: Can you explain how you win to a stranger in ten seconds
If you want to power up this deck idea and make it more competitive, you need to speed up your mana
Raugrin Triome Taps for a blue, cycles for 2 colorless
The trouble is, you're going to have more difficulty moving a stake of Sun Titan's and Martial Coup's than a Dualcaster Mage and the values of the cards in Forge in Stone are likely to decline faster
each one allows you to play with a more diverse mana base, and that, in turn, allows for more consistency, a wider breadth of decks on the whole and a more exciting game
Liliana, Dreadhorde General I cant think of many high-cost planeswalkers (in or out of Foundations ) that I would want in a deck, but Liliana is the exception