So for Brago, King Eternal and decks like that, or guardian infinite combos, or even just to throw into Derevi for value, this is a neat ability
On top of that, Hazezon creates two 1/1s whenever a Desert enters under your control, meaning well be putting combat damage on the board before anyone else can recover from our land-wipe
Players that are new to the game should be able to find interesting upgrade options just by looking through their decks
Item 2 Booster Packs Each Booster Box contains 24 Booster Packs
Apart from mutate cards to trigger that ability, I guess you could use Stuffy Doll and Brash Taunter, or fill your deck with cards that grant abilities to your commander like backgrounds and the legendary familiars (Kediss, Falthis, et al)
I would recommend setting some clear collection goals before buying anything huge