You really think a lot of cards aren’t “good enough”. Do you know how good this is against Priest, Warrior and Shaman?
This card will definitely make the cut, maybe even be a new main card for control decks especially.

Whoops, i did not think about the summoning of the golems!
But having 2 Aya’s with a potential of getting 3 golems is a crazy tempo play.

It won’t be too difficult to protect him from other minions if you play something like Druid of the swarm to combo with him. Since you can get two taunts when you play it!
I imagine you need to bait out the opponent’s removal cards, before you play him.
Maybe we just need to ramp fast to ensure some value.
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Honestly this can be pretty disgusting in Jade Druid.
Your opponent has to kill this card to make sure you can’t get value from it. Imagine dropping Aya on turn 6. You get 2 Aya’s and 2 Jades when summoned, then when Aya dies, you get an additional 2 Jade golems.