Im going to cover all of the main categories of ramp in Commander, and where each one may be useful
So I compensated by adding creatures which added mana and lowered mana-costs: Druid of the Cowl, Goreclaw, Terror of Qal Sisma, Selvala, Heart of the Wilds, and of course Arixthemes
cards on the field
#1 - Ashaya, Soul of the Wild Ashaya takes home the gold medal today as arguably the strongest Elemental in the format (totally in my opinion of course, I welcome other lists!)
You can pick it up and play for free against anonymous online opponents, and as long as you have the required tactical mind, patience, and high frustration threshold to enjoy Magic , this is likely a cheap method of entry
The conditions for Guardian Project are very strict, but basically nonexistent in singleton formats