Yes, it provides opponents with a 3/3 Golem creature token in exchange
Sticking a scary attacker on the field and then charging right by your opponents creatures is a great way to pull ahead in a Commander game, but three extra mana is quite a lot when youre already paying out the butt for some haymaker-sized creature
Combined with the Start Deck, you can build the most powerful deck in the environment
The Final Fantasy mythic has a jaw-dropping text box, giving a counter whenever you cast a noncreature spell while also dealing a damage to your opponent and then, once each turn, letting you make mana equal to its power for free
Proliferate , if you will
Solid 9/9 body with vigilance, reach and trample