mtg onslaught card Magic The Gathering - Spy Network Those tokens gain haste until end of turn DSK] Valgavoth's Onslaught (Card Image

There are dozens if not hundreds of cards that are worth north of $100 and plenty of cards worth more than $1000

This means it's not possible to cheat creatures into play out of nowhere (which madness can do), but it also means you're granted more flexibility, because you can cast a spell for its mayhem cost at any point during the turn in which it was discarded (rather than having to choose immediately as per madness rules)

Roxxon Brutes Roxxon Brutes spreads around the goods and is a solid body to have in play

This is your Hunting Cheetah

it calls them "proxies," which seems to be an attempt to lend legitimacy to their buying and selling of illegitimate Magic cards