The second is when they print a super expensive sidekick, like Stoneforge Mystic
Once in a while, we might even re-trigger a Knight of the White Orchid or reset our Avacyn (wanting vigilance, or perhaps just a chance to get her flip trigger again)
Remember the Choirmaster doesnt need to attack itself for its ability to activate, so you can hold this card back to ward off your opponents attackers with 5 or fewer toughness, whilst still proliferating away
Pete's not doing anything that groundbreaking though, and is not about to become an EDH staple
Better or worse is also pretty irrelevant as you are playing either of these cards, or indeed both, if and whenever you can
Smothering Tithe | Illustration by Mark Behm The best time to sell your Magic: The Gathering collection really depends on your situation