Any time any creature dies, you convert that into charge counters that create black mana
I believe Weavile makes the deck a lot scarier to see if you're a Stage 2 deck, but this build is more susceptible to Enhanced Hammer
I have little doubt this will see some play in Standard while its legal, but in pointing the finger at foils Im really saying that it might have a home in Modern or Legacy
As the FF Collector Boxes stay at such a high price, being collectibles in and of themselves, the supply on these foils is already low, and theres not much more coming into circulation
Create a Young Hero Role token attached to it
I have seen multiplayer games where people will let you draw all five too, like temporary allies or to give your removal like Swords to Plowshares for that Blightsteel Colossus one-shot kill