The fixing aspect helps enable multicolor lists, which human decks often leverage well
If you could only get one mana per turn from this guy he would still be good and so his interaction with sac lands and other effects that can net you vast amounts of mana really push him over the edge and offer some great fun god draws
(Strange "if".) The Splashes It goes without saying that this card is indispensable for a deck hoping to splash Green
I count: 38 lands and The Balrog of Moria (kinda), Treasure Nabber, Arcane Signet, Basalt Monolith, Commander's Sphere, Everflowing Chalice, Mind Stone, Relic of Sauron, Sol Ring, Worn Powerstone, Shiny Impetus, Cavern-Hoard Dragon 50 mana
While the artwork was top-tier, not much was added in terms of truly amazing content