You want to play more 2-drop mana rocks, so the Talisman cycle (Talisman of Dominance, Talisman of Indulgence, Talisman of Creativity) is a good option as they fix mana and come into play untapped
The deck also comes with a bunch of great equipment, like Behemoth Sledge and Champion's Helm, as well as the all new Summoning Materia which acts as both an equipment and a The Reality Chip for creatures
The strategy is fairly linear, you cast on curve ramp and then your big stuff
What affects the value of Counterspell
Its got convoke, which hopefully makes it a more manageable cost, but it also gives you any card out of your library exiled face down to be played later
No matter your playstyle, knights continue to be one of the most well-supported and versatile creature types in Magic: The Gathering