The other Shard, the Nightbringer, is also pretty nuts
For this strategy, the key factors are: character popularity (Charizard consistently commands premiums), limited production windows, and the JPN-exclusive MUR rarity that English sets cant replicate
Fischer Not Legal Traditional Standard Not Legal Traditional Alchemy Not Legal Traditional Explorer Not Legal Traditional Historic Not Legal Traditional Timeless Rulings 2018-03-16 If each player has fewer than seven cards in their library as Magus of the Wheel's ability resolves, the game ends in a draw.
Finally, we have a video where we mulligan to three but still pull it out
Due to this unique quirk, MTGs Lead Designer, Mark Rosewater, explained that [Structures] were sort of like attackable enchantments. Despite seeming like an incredibly engaging mechanic, ultimately, it wasnt meant to be for Structures