In the case of Momir Vig, his ability reads, , Discard a card: Put a token onto the battlefield that's a copy of a creature card with converted mana cost X chosen at random
I love how deep this set is with Standard playables and believe this is something thats vital with future set releases to keep the format entertaining and fresh
The buylist seems to be following the curves which makes me think that automated processes are buying these at a certain buylist number and driving retail up for a bit
Kaalia of the Vast can cheat it from your hand (since it's a dragon), Yuna, Hope of Spira can bring it back from your graveyard (since it's an enchantment), and Esper Terra can copy it and trigger most of Bahamut's value by advancing three chapters: Summon: Bahamut isnt legendary, so Esper Terra has no problem copying it
Magic the gathering art
Expansion may only be able to copy smaller spells, but you can use the Explosion side to pull you miles ahead on the spot