There are many ways to make a creature big in Modern, and there the 3 Energy can yield many more +1/+1 counters
*** Its been 25 years, and the range of cards the game has seen is astounding
Innistrad: Midnight Hunt (2021) Small comeback with flavor cards like Secrets of the Key and Eloise, Nephalia Sleuth
Choco-Comet is a great way to close the gaps in life totals (if not outright win the game) while leaving behind a token, something similar cards don't do
Amethyst has been a dominant ink color in the Rise of the Floodborn meta, mostly paired with Ruby
You can also choose to transform Etali, Primal Conqueror with nine generic mana and one green Phyrexian mana (pay two life or one green mana) into Etali, Primal Sickness , an 11/11 Phyrexian Elder Dinosaur with Trample and Indestructible