Ive loved Eldrazi since Worldwake , and Ive wanted to build Eldrazi for so long, but the colorless options never interested me, but now we have a powerful five-color option, that also lends itself to be pretty inexpensive
While resolving Starseer Mentor's last ability, the target opponent chooses a card to be discarded without revealing it, chooses a nonland permanent to be sacrificed, or chooses to do neither
But on worlds like Kaladesh, Ravnica, or some parts of Dominaria, I could see the case being made that they would bring a good sense of flavor to a world, telling the audience something bold or subtle about the place we are visiting
It gains counters whenever an opponent lost two or more life, and quickly begins to pay dividends
Toss a nonland card and one of your goblins gets stronger
I would love to hear which version is your favorite, or if there is a deckbuilding angle you think I missed