Because sourcing happens at street-market level rather than through an international trade tier, volume discounts exist but are incremental, not transformational
After a couple days of Mark Rosewater reiterating his belief that the Mystery Booster Playtest Cards shouldnt have been made, Wizards announced well be getting a chance to play with them again
Either he can deal a lump sum of damage equal to his most expensive equipment to any target, or he can cast a free instant or sorcery spell from your hand, assuming, of course, it costs less than his most expensive equipment
Ludevic, Necro-Alchemist & Livio, Oathsworn Sentinel - You can make a lot of deals with Livio, offering to save a creature that's about to get destroyed or exiled
Ignore the actual results of the coin or coins flipped when applying Edgar's last ability
There was also one thing about Archenemy that's always been a bit more bug than feature