Privateer Press has announced a second expansion for Warmachine: High Command.  Into the Breach will release in February.
 
The expansion will include 84 cards, five copies each of 16 different cards (21 total for each faction), plus four additional Warcaster cards to bring new strategies to Cygnar, Khador, Protectorate of Menoth, and Cryx decks.  The peg-able box will also contain a rule reference card. MSRP is set at $15.99.
 
The first expansion for Warmachine: High Command, Big Guns will release in December(see "First 'Warmachine: High Command' Expansion").