Omega Golem

Boss Monster, Double Strike, Vigilance
At the end of each turn untap Omega Golem.
Abilities of Omega Golem can't be countered.
Flamethrower - {r},{t}: Deal four damage to each
enemy permanent that can take damage.
Shouldercannons - {r}{r},{t}: Deal two times four
damage to any target.
Shieldbash - Whenever Omega Golem blocks
an enemy creature it deals four damage
to that creature.