When combined with the double-sided Land cards from Zendikar Rising, Goblin Charbelcher is capable of killing people out of nowhere
Technomancer is the workhorse: it enters, mills three, and returns any number of artifact creatures with total mana value six or less straight to the battlefield, so one card can rebuild half a board
If the target land is an illegal target when Sandworm's last ability tries to resolve, it won't resolve and none of its effects will happen
Foil copies of Genesis from Judgment are just $15 now, which reflects the fact that very few people run the card in anything and those that do are willing to settle for the cheaper copy of the foil
Now, we're living in a time where any three-color deck that you could want to build will have great mana
You can swap out cards, add new favorites, and personalize your deck to fit your playstyle and strategy, as long as you follow the formats rules