Depends on how often the LCSs were used for laundering
Brawl Legal Vintage Legal Timeless Legal Commander Legal Pauper Not Legal Oathbreaker Legal Penny Not Legal Toolbox Buy This Card Notes and Rules Information for Toxic Deluge: If you cast Toxic Deluge without paying its mana cost, you'll still choose a value for X and pay X life
A recent Sorceress, implied to be Edea, also helped Dr
This game saw an expanded story mode involving the evil organisation stealing not only cards, but capturing people too
For more price spike stories, check out the absolutely ludicrous things happening in various MTG formats
I'm not sure how many of you were around for this, but Lightning Bolt was last in Standard with M10, and the knock-on effects when any creature with a toughness of three or less was effectively dead-on-board to a single was enough to remind Wizards why they depreciated that card in the first place in favor of Shock and Lightning Strike