If Copy Enchantment somehow enters the battlefield at the same time as another permanent, Copy Enchantment can't become a copy of that permanent
In theory, you could get up to two Scion tokens from the myriad copies when they exile at the end of combat, and since Chittering Dispatcher is just a 2/3, it might very well die in combat, giving you another Scion
Shamanic Revelation is a Green sorcery that lets you draw a card for each Creature you control, which is probably a lot
Then, the heroes are surrounded by even more shadowy figures, before a huge Ursula appears, wielding the trident
Its ideal for rebuilding after board wipes or protecting a key engine piece, but it works best when your deck is already feeding the graveyard through self-mill or sacrifice effects like Greater Good