It focuses on synergistic play between the Madrigal family but fails to include some of the best cards from the tribe
Metallic Rebuke features the new Improvise mechanic, which allows players to tap artifacts that they control to help pay for the generic mana casting cost
Importantly, in Steel, most cards that allow you to draw will force you to discard a card after, meaning most of Steel has a draw and discard mechanic, not just a single draw a card mechanic, balancing out the deck without just giving you a card in the way Fortisphere does
The six-cost with delve Black 4/5 Tasigur, the Golden Fang can spend 4 mana any time to mill two and then reload a nonland to your hand of any opponent's choice - no matter what they choose you'll trigger and mill too
In short, theres more demand for Fat Packs because theyre more collectible and they cost less, leading to naturally better returns