You can use permission spells, removal spells, blocking creatures, or any number of other tools in order to do this
(Damage and effects that say "destroy" don't destroy it.) Creature - Fox Samurai Protection (CTRL to add secondary) Pump Pump (CTRL to add secondary) Ramp Keeper of the Accord At the beginning of each opponent's end step, if that player controls more creatures than you, create a 1/1 white Soldier creature token
A mono-color commander can work perfectly well with just basics, even in Bracket 1 or 2, with a small pinch of utility lands that may fit your strategy (like Secret Tunnel to make sure you don't get blocked)
In addition to letting you cast more powerful spells more quickly, you can sink all that mana into your Clues
These have all held their price points fairly well given their relevance in Standard and Commander--they come into play untapped and are fairly easy to "turn on" so that they can tap for both colors of mana