Make a friend, keep a critical creature in play, or just toss the aura there for safekeeping
One group of characters I routinely return to is the crew of the Skyship Weatherlight
Generally, you want to wait to cast your commander until you can start loading it up with Auras and Equipment
Hypnotic Specter (3 Copies, 48.82% Odds of Having at Least 1 Copy in First 8) Hypnotic Specter is clearly overpowered for its casting cost, which is why it is moderated to 3 in league play
The idea was to find ways to take the then newly released Challenger Decks and bring them up to the level of an actual Constructed deck
Some of the best Landfall Commanders, like Omnath, Locus of Creation and Lord Windgrace, give you access to red