Often, people miscalculate and overestimate the value of bulk cards
The effect can also be used to supercharge abilities triggered on cards when they enter and leave play, guaranteeing that theyll happen on that turn - potentially adding a lore haul to your ability to challenge opponents while slowing down their own path to victory
A GW hatebears deck actually won the most recent Bazaar of Moxen Modern event (307 players), and this would fit perfectly into a deck like that
P/T Set Number 75 Language Portugus Legal Formats Commander, Legacy, Modern, Vintage Not Legal Formats Alchemy, Brawl, Competitive Brawl, Historic, Pauper, Pioneer, Standard, Timeless Rulings (10/4/2004) The ability destroys the creature at the end of the combat, which is after all first strike and normal damage dealing is done
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14 cards per envelope