This isnt busted, as preparing it takes a decent amount of work (though edict creatures are amazing here) but the floor is Rune-Scarred Demon with a 1-mana discount, and the ceilings pretty good
Seeing a belt is a luxury, and Octillery & Shaymin-EX are there for reach, making sure you see Sky Field and the extra colors (if needed) to get that KO
*Update* The digital ground appears to be discontinued so use the InkAid, its the same stuff
youre hoping to get that holographic Charizard card because thats the most popular and very difficult [card] to pull from a pack
Its important to have some kind of scale or metric to judge cards, so Id like to direct your attention to Grizzly Bears, a 2/2 for 2 mana
It is an ironic truth that the larger that a pool of Magic cards are to choose from, the smaller percent of them are usable simply because so many get bullied out of being playable by the very best cards