SAVE $35.70: As of May 12, get the Magic: The Gathering Edge of Eternities - Play Booster Box for $129 at Amazon, down from is usual price of $164.70. That's a discount of 22%. $129 at Amazon $164.70 Save $35.70 Looking for a way to add tons of new cards to your Magic: The Gathering collection, or need a quick way to build a deck? A booster box is where it's at. Right now, you can save big on one of the game's more recent expansions if you head to Amazon. As of May 12, get the Magic: The Gathering Edge of Eternities - Play Booster Box for $129 at Amazon, down from is usual price of $164.70. That's $35.70 off and a discount of 22%. Mashable Trend Report This booster box contains 30 booster packs from the intergalactic Edge of Eternities collection, which marks the game's first space-centric set. It features a wide variety of spaceships, planets, exploration cards, and much more with gorgeous art you'll love straight out of a sci-fi novel.…