Im not sure that this ratio is correct, because way more of the near 50% of green decks benefit from Harrow
Finally, collector's boosters include one more Rare or Mythic Rare card that will be a traditional foil in 96% of boosters and a textured foil in 4% of boosters.
The utility is going to cost us some consistency
If your deck is full of cards like Fauna Shaman and Chord of Calling so you have a lot of access to single copies of utility creatures in your deck, theres a lot of extra value to each extra bullet you can fit, and on top of that, the more narrow bullets you put in, the less you want the odds of accidentally drawing one of them to be, so the more cards you have, the less likely your are to draw a narrow bullet that youre hoping to only see when you search for it
"Tug-of-War" is great at sending out pinging little damage across the board to your opponents, which will fuel your strategy - and it doesn't hurt that, in a pinch, it can wipe out a lot of evasive enemy characters
Packages like the 2020 Jumpstart booster box started this style of Limited play where you take two packs crack them open and get a 40-card deck out of it