Artemius
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I think that Black Dragon and Archangel are the best.
Emerald Dragon is a failure – have you ever tried throwing 10 Emerald Dragons against 10 Archangels? If the Emerald Dragons attack first, they will take down a maximum of two winged creatures, and then the counterattack will begin, and goodbye to at least 4 Emerald Dragons. Plus, Resurrection is very useful for the Feathered ones. And there's nothing to say about the Black Dragon!
Emerald Dragon is a failure – have you ever tried throwing 10 Emerald Dragons against 10 Archangels? If the Emerald Dragons attack first, they will take down a maximum of two winged creatures, and then the counterattack will begin, and goodbye to at least 4 Emerald Dragons. Plus, Resurrection is very useful for the Feathered ones. And there's nothing to say about the Black Dragon!