This question is a bit difficult to answer
The chase card of this set is the Marnie Rainbow Rare, with the Full Art version of the card as the second most valued and coveted pull
It's a really great way to help you splash a third color or even a fourth color in some decks if you want to, so Treasure does have an extra bonus in Streets of New Capenna, which is pretty relevant. That fixing angle could be part of why green is getting more Treasures this set as well but, to that end, the card Bootleggers Stash already has certain members of the community bracing themselves for more explosions of Treasure around the Commander table
Sometimes you just really need to cast your Cyclonic Rift a second time to close out the game
The -1 lets you draw solo when needed, while the ultimate pushes a dedicated mill strategy closer to victory
These cards, while often bought in the gambling-lite hope of pulling a rare card, actually exist to be the playing cards for a massively popular game