What pushed him into nearly every worthwhile deck around the time of his release in 2015s Battle for Zendikar was the fact that he could lay down an emblem, which permanently buffed every creature on your side of the field with one extra point of power and toughness
The only real times I would want to splash other non-red colours is when I didn't get enough playables in green and needed to make up numbers
Finally, NecropotenceNecropotence is neither a loot effect nor a creature, but bears mentioning just because of how good it is with HashatonHashaton specifically
I also stopped being into Ulamogs Crusher in Pauper Cube years ago
Mistrise Village $14.93 Mistrise Village is an almost strictly better Island, and you get uncounterability on a spell, not only for certain creatures like Cavern of Souls
One your mana was doubled there were any number of ways to start generating massive card advantage and take over the game in short order, with Wrath of God serving as the four-drop to lead into the Wake and Mirari itself, which was usually the way things ended