Worlds was only 6 rounds of Standard, that Naya deck went 4-2 there, Jund was half the 6-0 or 5-1 decks, and we were still too stupid to play more than 24 mana sources in our three-color deck that only lost if it didn't cast spells
Optional upgrades unlock heavier use such as large multi-card sessions and deeper collection tracking
I was not a fan of playing "suicide red" but Zac Hill pointed on on Brainstorm Brewery that you only need it to do 4 damage to them to outperform Ash Zealot, a card people were playing despite there being no flashback in the current Type 2
The fact that it's effectively free while still triggering your things that care about big mana values makes it potentially even better than Fierce GuardianshipFierce Guardianship, Flawless ManeuverFlawless Maneuver, or hot new toy Redirect LightningRedirect Lightning
What affects the value of Garruk Relentless // Garruk, the Veil-Cursed
At any rate, this set is likely to be extremely highly sought after