Cheering Crowd does have the potential to land in the latter, offering your opponents a big chunk of mana if everyone opts in, but if you can manage to survive you get the mana payoff and a big Creature to boot
Casting Cost: Card Type: Creature - Minotaur Warrior Power / Toughness: 5 / 4 Card Text: This spell costs less to cast for each creature in your party
Commander Decks Duel your rival outlaws in thrilling multiplayer games
While I can see justifications for all of them, I believe there is a very strong argument that this group does not fit the stated definition of Mythic Rare
Its a discrete circle in the center region, near the edge of the cards back, so its easier to locate and test
Note it's in just 38% of Aristocrat brews, no clue why it's that low since you can easily make the two recasting mana from higher hitting stuff and then set up an infinite loop