As expected, Jund showed up in force here in Indianapolis, comprising over 21% of the field. RWU control also has a strong showing, with 29 players adopting the deck LSV saw success with in Los Angeles. Mono Red was the other big deck, piloted by 22 players. Here's the first count of the full field:

Jund - 47
RWU Control - 29
Red Deck Wins - 22
Vampires - 17
Monowhite Beats - 12
Bushwhacker - 10
Grixis Control - 10
Naya - 10
WGB Junk - 8
Jacerator - 7
Esper Control - 7
Elves - 9
Bant - 5
Spread 'em - 5
Runeflare Trap - 5
Other decks - 17