If you're like me and appreciate your value engines with a little villain arc, then Final Fantasy's Black cards deserve your attention
Tocasias Welcome White has slowly been accumulating card draw options over the past few years, and at the time of publication, I think white can draw a reasonable amount of cards especially if it can chain the right engines together (looking at you, Skullclamp)
Earthcraft has long been banned out of basically everything, including Legacy, thanks to interactions like: Turn 1: Wild Growth Turn 2: Earthcraft, then drop Shrieking Drake and respond to its trigger by tapping it to untap the land with Wild Growth on it
second it plays poorly against Solitude, but the mixture of discard spells, counterspells and Dress Downs can solve this issue too
There are a few standouts, however
It just so happens that a soldier typal build is the perfect place for this tech