While much of what you're looking to do is straightforward, Inti is a tricky card to play
"We're not trying to accidentally ruin [Legacy and Vintage] by casually printing hyper-powerful cards into them." What happened is the team, for all of these, they sat down at the very beginning and just started going through everything Magic's done and saying is there a fit? Heggen explains
Giving all of your modified creatures trample is good enough
Deathrite Shaman Busted in 60-card formats with fetch lands which allow Deathrite Shaman to immediately tap for mana, this is a still an awesome card in any EDH deck in Golgari colors
Creatures (11) Lands (23) Spells (26) Nantuko Shade may raise a few eyebrows, but the card really does have an efficient kit for use in a land destruction deck
Going way back to Magics origins, this set featured cards such as Serra Angel which was originally printed back in Alpha