Putting those two assumptions together, it is safe to conclude that the price of Blue Ugin would unlikely drop any lower than set foil Ugin, which is currently at $97, even in the scenario where Blue Ugin is reprinted as a judge foil, based on the merit that Blue Ugins are scarcer
I think its possible that Oko, Thief of Crowns could have a place in the maindeck, and I could even see getting crazy with Gilded Goose, but this feels like a good, safe starting place
13 Cordial Vampire For the cost of two black mana, Cordial Vampire is perhaps one of the most efficient creatures of this tribe in all of Magic
Legendary Creature Enchantment - God Spark Double You may have this creature enter as a copy of a creature or planeswalker you control, except it enters with an additional +1/+1 counter on it if it's a creature, it enters with an additional loyalty counter on it if it's a planeswalker, and it isn't legendary