Number 44 Language English Legal Formats Commander, Legacy, Modern, Vintage Not Legal Formats Alchemy, Brawl, Competitive Brawl, Historic, Pauper, Pioneer, Standard, Timeless Rulings (7/1/2012) Battle of Wits has an "intervening 'if' clause." This means that if you don't have 200 or more cards in your library at the beginning of your upkeep, the ability won't trigger
This caught headlines when it was revealed that PSA had actually graded a few of these forgeries as authentic first editions and it is a scary prospect for potential buyers
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Creatures with recursive abilities that you can keep replaying, like Bloodsoaked Champion, are excellent options to include: If they die, you can just bring them right back and repeat on your next turn