Perhaps one of the best flippers I know takes obscenely good photos of his high-value raw singles
The deck's face commander, Bright-Palm, Soul Awakener lets you double counters and make blocks difficult, while alternate commander Shalai and Hallar makes your counters hurt people
Biogenic Ooze - Not only does this make a token when if flickers, but it also makes them all bigger over time, and can even make more tokens even if you don't have flicker options
Reality Shift is a product of its set, focusing on the manifest ability to balance the card's efficiency at removing a single creature
Grab Felidar Guardian and use it to blink the Guide, who re-enters and reanimates something else, for a simple example
Selling cards individually is time-consuming, as you need to price, photograph, and list each one