It doesnt make a huge difference in 2-color decks, but 3+ color decks love this for its low cost and easy fixing
Hydra Omnivore , Multani, Yavimaya's Avatar , Worldspine Wurm , and Ashaya, Soul of the Wild are big monsters that can be played the hard way but are much better to cast using Zimone and an extra land drop courtesy of some of the supporting spells , like Rampant Growth , Cultivate , or Explosive Vegetation
It's been transformed into posters, enamel pins, and even t-shirts by devoted fans
Another thing slowing Mystic Intellect is a lack of ways to fill the graveyard
Pick up Teferi, Time Raveler at TCGPlayer #4: Helm of the Host The second Equipment Artifact to appear here is costlier in mana than Sword of Fire and Ice, but its abilities are just as impactful
Next up are two spoilers posted in today's Magic Story on the Wizards of the Coast homepage