It wasn't that long ago that precons would need several swaps to function, and that doesn't even include the mana base
Red used to be almost completely unable to interact with spells or abilities on the stack, save for a couple of niche exceptions
Yes, you can activate it early on by sacrificing your creature tokens, but these types of decks usually don't run cards that cost more than three to four mana
(Standard) (Old) Full Tank (DFT) Rare/Mythic Rare Thopter Maker 50 Vunukst, Talkative Moderator 50 Muraganda Circuit (Land Slot)10Common/Uncommon Scavenger Sky-Ray (Unc)50 Check-Machine (Unc)100Quick Note A deck centered on Top Speed and artifacts (Vehicles)
The Rollover Cards An honorary Eldrazi, Ugin, the Spirit Dragon is one of the best end game options and the best card to ramp to in recent times
The flexibility of this card is unmatched by previous iterations of this effect, and that's why I believe it'll be a cornerstone of Blue-based Control decks until it leaves the format