Siege Monster. The golem deals double damage to objects and structures.

Multiattack. The elemental makes two attacks, either a slam or an eye blast 

Slam . Ranged spell attack  +8 to hit, range 5ft ., one target. Hit: 14 (2d8 + 5) bludgeoning damage.

Eye blast . Ranged spell attack  +8 to hit, range 60ft ., one target. Hit: 14 (2d8 + 5) thunder damage.

Reanimate The golem sphere can revive one fallen animated object. It has [[1d4+1]] hp 

animation surge each animated object in range gets to either move or take the attack action.  1st round

laser target the golem sphere marks a single creature and all animated objects can move towards that creature without provoking attacks of opportunity. 2nd round

attack surge magical energy surges from the golem, and all the animated objects attack.  3rd round. 

 Mass animate when the golem reaches 0hp ,  it reanimates [[1d4+1]] animated objects that have been destroyed in the previous rounds. They have 1hp.