In just a few turns, each sliver can have a dozen different effects applied that tip the game in their controller's favor
The uncommons were all enemy-color cards with hybrid mutate costs in the same colors
Cards coming from the command zone also trigger paradox , so if you have an EDH deck with two commanders (using mechanics like partner or doctors companion), youll have an abundant source of paradox triggers
This resource can then be exchanged for the Misty card, which comes in two rarities, once you have enough of them
Oliver only had a single Teferi in the sideboard, so he could have played four instead of adding a color if he just wanted three-mana planeswalkers, but Oko is enough better to justify adding another color and playing a maindeck Breeding Pool in his Jeskai deck
Between its competitive relevance and Charizards lasting popularity, it's one of the biggest chase cards from the Scarlet & Violet era