It turns out, being able to search your entire library for any creature youd like and place it on top for is a huge swing, especially at instant speed
Chaos: Whenever you roll Chaos, you may deal X damage to each creature on the battlefield, where X is equal to the number of Monks on the battlefield
Mutable Explorer is a Changeling Wood Elf of sorts, except it gives you a bonus copy of Mutavault, which is really nice
The token is basically your consolation prize for losing your creature, except the prize is also horrifying
For example, you could sacrifice two Overgrown Tombs.
Getting to burn an opponents creature for 7 when you attack with it is great on its own, but the greedy, treasure-trove-sitting dragon in me wants it to burn planeswalkers, too