A little bit can be a great addition to any dish (deck), but too much can ruin the whole meal (game night).
Most of the time, good ol' Counterspell gets the job done with less problems
Combat Celebrant doesnt untap itself when it is exerted, and it needs to attack to be exerted
A very creative way to build your deck based on this Illusion is to make it a Voltron, a strategy focused on filling a powerful creature with buffs, but with the difference that this oppressive power is achieved not by equipment or enchantments, but through mutations
The cards themselves only note 204 cards but there are 18 Enchanted cards that go beyond this and take the numbers up to 222
Though it sees no play in constructed formats, The Great Henge has more than enough Commander demand to support its huge current price tag