With such a potent answer like Unholy Heat, most of the creatures and Planeswalkers are easily answered, so decks have to play a lower curve threat package to not trade big mana threats against a single Unholy Heat
Getting tokens when you attack builds up a robust army while the Gallery gives you a genuinely powerful anthem
Wilds Unknown is available for prerelease on May 8, and everywhere starting May 15
Send it my way and perhaps it'll make a great discussion point for a future article
Chaos: Whenever you roll Chaos, target opponent cant cast spells during their next turn
Sure, every list will have some sort of interaction, but what exactly that package looks like and consequently, your priorities for expenses will vary from list to list