Herald of Eternal Dawn can be a nice surprise threat, especially against red aggro and creature aggro in general, as these decks regularly lack the means to get rid of a 6/6
To get the most out of Goldspan Dragon, you can consider using Gadrak, the Crown-Scourge, Magda, Brazen Outlaw, and Brass's Bounty.
// Esper Terra Legendary Enchantment Creature Saga Wizard 6/6 (As this Saga enters and after your draw step, add a lore counter.) I, II, III Create a token that's a copy of target nonlegendary enchantment you control
Cool moment, cool art, Sephiroth connection
But one area in particular, the green circle on the back of the card, shows a distinctive L shape of four red dots against a green background