This would be exceptionally strong in a Pirate-themed deck or using Captain Hook cards from any of the Lorcana Chapters
While this is the simplest way to negate the downside, there are other more convoluted ways of negating the downside of Glorious End as well
Like most Magic: The Gathering cards, the value of Countless Gears Renegade depends on a few consistent factors: its rarity, the printing and finish (regular or foil), its physical condition, and the set it was printed in (Aether Revolt)
We'll have details for gameplay and cards to share when we reveal more about Murders at Karlov Manor on January 16, 2024
Let's see what the rough ratios are for Upgrades Unleashed and how it compares
That tells me, for example, that I don't want to be playing the most efficient aggressive black creatures in the format, because I expect games to go longer and win by card quality