It is generally not legal to sell proxies
One said he could if he had two mana, so I Snapped his Birgi and untapped two of his lands, which let him use Tainted Pact to find Force of Will, incidentally exiling many important cards from his deck, and getting another card out of his hand to stop the other player from winning, which, in that spot, was far better for me than if Id been able to counter the Underworld Breach myself
Source Material bonus sheet Oh, and if you haven't already, check out this video version we just uploaded to YouTube
4 Mindslaver Lets Players Control Each Other It's fairly common for MTG cards, primarily blue ones, to allow players to take control of each other's permanents or get cards from each other's graveyards and put them onto the battlefield under their control
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