It's because it supports illegal activity and harms the Magic: The Gathering community
Hazezon, Shaper of Sand Desert Token Commander Deck
Besides crushing Burn, Collective Brutality also helps against Collected Company decks by taking out a mana creature and the Collected Company in their hand
One Piece Trading Card Game Ultra Deck: The Three Brothers Common The Three Brothers' Bond ST13-019 One Piece Trading Card Game Ultra Deck: The Three Brothers Common The Three Brothers' Bond ST13-019 IN STOCK Estimated ship date $0.50 NOTIFY ME WHEN AVAILABLE Email address submitted
eBay Wide variety of cards, including rare and unique finds Potential for lower prices through bidding Higher risk of counterfeit cards Requires knowledge about cards to avoid scams Quality and shipping depend on individual sellers eBay is one I recommend with a caveat because you have to know a lot about the cards and sets you are buying when shopping eBay, especially if you are looking for an expensive, highly-sought after card
The problem is crafting a deck that really wants all these modes, especially at this cost
