The sequence to victory is a tricky one. Nathan's challenge this week is far more difficult.

All in favor of a new puzzle from Nathan please join us in the article.

Which guild in Return to Ravnica can win the fastest? Nathan's challenge is as simple as that... or is it?

A familiar face has you on the ropes. Since it's Avacyn Restored you already know battling back will be tough!

Nathan is back with a Ravnica-themed speed puzzle! Will your guild emerge victorious?

Nathan's back with an all-new boardstate puzzle! Are you too green to solve a victory with Elves?

Force of Will isn't the only card from Alliances! Which combination of Alliances cards enable the fastest kill? Nathan Challenged you to find out!

Quick: Name one card from Alliances. Great. Now name all of them. If that's tough, Nathan's challenge is all the harder this week!

Gaining life is easy, right? Then you can step up to Nathan's Touch of the Eternal challenge!

You'll rarely get a puzzle like this one from Nathan!