Its subtle colors and artwork make it classic and standard, and as a result, its price tends to vary massively
The rest of the deck utilizes Hallar in cool ways, like Snake Umbra drawing us a card for each opponent Hallar burns, Chandra's Incinerator which turns Hallar's burn into creature removal, Return of the Wildspeaker instant speed hand refill with Hallar, and Dictate of the Twin Gods which can double Hallar's damage output
As long as Ozai, the Phoenix King is on the battlefield, you'll keep unspent mana as steps and phases end (although it will become red)
Goblins and dragons are both iconic fantasy creatures, and theyre among the strongest tribes in Magic
It seems like some fans may be hoarding the more valuable UB cards, too, specifically in the hope that their value will keep, as the ins and outs of license deals may make it harder for Wizards of the Coast to reprint them