SpringTrap, Haunting Enigma

Menace, deathtouch, indestructible, haste
whenever SpringTrap, Haunting Enigma attacks
or blocks, put an Insanity Counter on it, when it
has 8 or more Insanity Counters on it, remove 8
Insanity Counters and destroy three target permanents that you control
remove an Insanity Counter: SpringTrap,
Haunting Enigma fights target human you don't control