rand Prix return with a vengeance this weekend, with a Modern tournament at Grand Prix Minneapolis and a Theros Block Limited one at Grand Prix Warsaw. Speaking of Limited, this season's Pro Tour Qualifiers (PTQs) for Pro Tour Magic 2015 are using Theros Block Sealed as the format. Find a PTQ near you with this handy link. Good luck; have fun!
Pro Tour Magic 2015 Qualifier Season (Sealed)
Theros Block Constructed on Magic Online