The decklists were revealed earlier on Destructoid, but we've also provided them here, just in case you're the type who likes reading things twice
When you do, for each opponent, exile up to one target creature that player controls
Multiply that by a dozen spells or so, and you'll have a game-winning situation
How can anyone ever hope to beat this card when the battlefield is at parity
Card Name Mana Cost Type Legendary Planeswalker Karn Rarity Rare rules Text Activated abilities of artifacts your opponents control can't be activated.+1: Until your next turn, up to one target noncreature artifact becomes an artifact creature with power and toughness each equal to its mana value.2: You may reveal an artifact card you own from outside the game or choose a face-up artifact card you own in exile
Veteran Survivor Veteran Survivor is a baseline 2/1 for 1 mana, which is already a playable white creature, and over the course of a few turns, you can get a 5/4 with hexproof while hating on their graveyard