The effect is so simple but so effective that the card has had an on-again, off-again relationship with the ban list
Unlike past years, where much of the value of the decks was tied to reprints, Commander 2018 is all about the new cards, which pushes the Esper deck to the top of the list by a decent margin, thanks mostly to Yuriko, the Tiger's Shadow being the most expensive card in the set but also some other solid-value cards, including Sower of Discord, Geode Golem, and Varina, Lich Queen
If we assume that both mana flood and mana screw are things that we'd like to avoid in order to have a fun game of Commander (and maybe even a chance at winning the game), then adding more MDFCs to your deck during deck building is the perfect solution to the problem
Griffin Protector, while one of the best white commons, is still white and not a card Im interested in taking to move into the weakest color
The set introduced role tokens, and has other great cards such as Stroke of Midnight, Blossoming Tortoise, Agatha's Soul Cauldron, and a cycle of strong virtues