No duplicate, Anti-fun Shudderwock

Inside ETC I an acidic swamp ooze, horn of the wind lord  and Ambassador Faelin: since you wont ever have to worry about fatigue and you can still proc both Renos, also this is half the reason why steam cleaner is in the deck so that subsequent shudderwoks wont add more Colossal minions into your deck (from faelin) and cause duplicates to appear