That happens because decks with fewer colors have fewer problems with color fixing, while decks with many colors need more lands so that they can consistently find all their colors and avoid color screw, the lack of having the correct color to play certain spells
#5 Eldrazi Unbound (Commander Masters) Considering how much players were charged for the Commander Masters decks, one appearing on this list is not too surprising
Alternatively, you can cast this in the early part of one of your turns if you suspect that an opponent has a Counterspell for a wincon youre planning on playing
Terra, Magical Adept / Esper Terra Terra, Magical Adept, discounting the transformed side, is already a good 4/2 creature that mills and gives you a little value
As MTG Arena marches through its seventh year, we're generally happy with our core economy