You'll rarely be making a big mistake if you always stick to such a guideline
Premier Draft has you drafting with humans, then playing best-of-one against human players
Red Artifacts Card previews continued with a pair of red artifacts: Cursed Recording, which offers to copy instant and sorcery spells before dealing potentially lethal damage to its controller, and Chainsaw, an Equipment card that acquires power-boosting rev counters whenever a creature dies
Grasp of Fate is a nice removal spell for Commander, often getting a two-for-one or better
Reanimating things like Legion Loyalty or Debtors' Knell is fun and dumb, but if you want to do something "actually good" reanimating stax pieces could really lock the board down while you grind people down or set up an infinite combo with enchantments
Vivien on the Hunt: Im rarely wowed by planeswalkers, but Im definitely a fan of this one