Ruling When does Fates Collide become Tournament Legal?

[Alphahitman4]

When does fates Collide set become tournament legal? I want to enter Spring Regs March 28th and want to make sure I can use it before trying to make deck with cards from this set. Thanks for your help!

 

[Luispipe8]

Please post scans of th-

I mean, every set becomes legal 21 days after its official release date. You can use Fates Collide in tournaments by May 25th.