Escalating twice results in a +1/+1 counter on all of your creatures, removal for a large creature, and what you came here for: an unconditional way to destroy an enchantment
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There was also the clarification that even though all cards with madness are discarded into exile, it would go into the graveyard and still be considered discarded from your hand if you didnt choose to play it
This is quite expensive for a Ninjutsu card, but I think its good enough to make some lists
By sacrificing the golem, you get one mana of every color
If multiple creatures enter the battlefield under your control at the same time, Impact Tremors will trigger that many times