I'll be hosting the Mythic Championship V! With $750,000 on the line, 68 top MTG players will battle in traditional Best-of-Three Standard Constructed.
From the WotC website:
Day 3 – Top 8 Double-Elimination
8 players compete in a true double-elimination tournament. In the grand finals, the winners in the Upper Bracket and Lower Bracket will face off. The player in the Lower Bracket must win two matches to win the tournament!