While its hard to say any one color is the best, Ive rarely seen anyone claim that green is the worst color
The recognizable traits of every Sultai Delve deck will be making use of the graveyard, removal spells, card advantage, and good ways to block non-flying creatures (stall the board)
The deck is so rigidly built around these mechanics that it feels hard to identify just one or two big upgrades to improve its power, and instead, you would need to chop and change a considerable chunk of the deck to make meaningful improvements
It shows up, saves the day, and then suits up to beat down
"Players can cheat more easily by rolling it in a specific way." "Trick shots" with dice where they roll in a predetermined way are possible, and spindowns make them easier since you only need to end in a specific region rather than one exact face