You can do this by looking at the top performers in recent Regional Championships and World Championships, or by speaking to people at your local card store to get some advice on which decks are best right now
What this really is is a cheap, one-mana spell that provides a bit of security on your turn for your commander, making it a lot less likely that you get two-for-oned when you cast something like Assault StrobeAssault Strobe or Violent UrgeViolent Urge on ElshaElsha and invite in the removal
Store in a Cool, Dry Place : Keep your cards away from direct sunlight, humidity, and extreme temperatures to prevent fading or warping
By putting the counters on you directly, the experience counters could keep building and wouldnt all be removed alongside the commander
This commander offers an interesting deckbuilding challenge: You need some counter payoffs to support the commander, but you also need room for your equipment and cards like Puresteel Paladin
Against Garruk you either need to keep the board very clear, kill him or at least keep him away from 4 loyalty