While the creativity was legendary, the player was disqualified for reducing their deck below the minimum size
Its for that second part, though, why many people will find room for Wondrous Crucible
He'd been trying to take advantage of Master of Cruelties, a card that had captured the imaginations of more than a few readers, and realized that Master of Cruelties doesn't actually need power to reduce an opponent to 1 life (although it's certainly worse against creatures if it doesn't have any), so he could use Heartless Summoning to play Master of Cruelties, since he was planning to make it unblockable with Rogue's Passage anyway
2/2 Illustrated by Dan Frazier Part of the Reserved List Standard Not Legal Alchemy Not Legal Pioneer Not Legal Historic Not Legal Modern Not Legal Brawl Not Legal Legacy Legal Comp
Mana Drain is one of them, and its because of where we are with the format
I always opt for a combination of binders and boxes, separated by set, color, or personal preference (see above.) Place cards of higher sentimental value or worth in more protective cases and consider binders, boxes, card sleeves and hard plastic cases for your more important cards and boxes