A casual player can buy an inexpensive but durable plastic deck box, while a more dedicated player with an eye for flair can buy an even tougher, fancier box with a magnet-sealed lid, high-quality finish and more
A quick search online shows that outside Morophon, the Boundless (which isnt even a real Eldrazi, by the way), theres not a dedicated Eldrazi 5-color commander
But you can pick of a PSA 8 shadowless (not 1st) for anyone short of Charizard for that price, so its not as bad as it could be
Instead, Grenzo can only cheat out a spell that costs three mana or less each turn
Outlaws Merriment, for example, gets very confusing with Far Out since theres no answer for what happens when all three modes are pushed into one
Of course, you could always just use it in a deck that cares about the number of card or permanent types you have, like finding a way to sac it to make Korvold, Gleeful Glutton cheaper to cast