According to PSAs population report, Bart Starrs 1957 Topps rookie card is highly condition sensitive, as only three of 1,710 cards, roughly 0.001%, warranted a PSA 9, with no card graded higher
"I have examples where there is no whitening or chipping whatsoever [of the holographic backgrounds]
2 Heliod, the Sun-Crowned and Walking Ballista One of the most popular win conditions in a mono-white Commander deck is the combo of Heliod, Sun-Crowned and Walking Ballista
Obviously, since her condition requires you to have 5 characters on board already, if you can sing Zero to Hero with one of those characters, you can play her for free
Some successful teams intentionally conserve their energy in the first two races, aiming for second or third place to accumulate a large number of flags in the final race