Whilst visually impressive and effective at randomising your deck, most Magic players dont use this technique because riffle shuffling can damage cards and sleeves
Wizards could also explore other products like the Modern equivalent of Challenger Decks , although personally I find it unlikely that this type of product would succeed because the amount of valuable cards Wizards would find it wise to put into a Modern preconstructed deck product would likely be a lot lower than what some players would like, especially considering unironic requests for moving Snapcaster Mage to uncommon or selling box sets of 20 fetch lands for $50
Although there are many more than just 10 that could be easily put on a list covering characters that would be perfect to have included in the game, for now here are some of the ones that would be perfect for Rise of the Floodborn
Vial Smasher the Fierce [Best Spell Damage Partner] Vial Smasher the Fierce shifts the focus from combat to spell impact
Rukarumel, Biologist The second commander out of the Sliver Swarm Commander deck, Rukarumel, Biologist is pretty much a Conspiracy on a stick, or even better, from the command zone
The first copy of this seems like a decent inclusion for Red aggro decks