Yes, that is Breeding Pool.
FROM GATECRASH.
Shocklands confirmed.
CARDS!
https://twitter.com/mtgcolorpie/status/242082322130812928/photo/1
http://forums.mtgsalvation.com/attachment.php?attachmentid=135077&d=1346551212
http://twitter.com/wizards_magic/status/242082657868083200/photo/1
https://p.twimg.com/A1wMlUpCIAAeDwa.jpg
https://twitter.com/mtgcolorpie/status/242082605187604481/photo/1
http://twitter.com/mtgcolorpie/status/242083580401053697/photo/1
http://twitter.com/mike_kenyon/status/242084115401302016/photo/1
http://twitter.com/mtgcolorpie/status/242084441978200064/photo/1
http://twitter.com/mtgcolorpie/status/242084300898582528/photo/1
http://forums.mtgsalvation.com/attachment.php?attachmentid=135086&d=1346552517
https://twitter.com/mtgcolorpie/status/242083620603437057/photo/1
https://twitter.com/mtgcolorpie/status/242083977358348290/photo/1
http://twitter.com/mtgcolorpie/status/242082429714702337/photo/1
http://twitter.com/mike_kenyon/status/242085467288391680/photo/1
http://forums.mtgsalvation.com/showpost.php?p=8944413&postcount=296
http://twitter.com/mtgcolorpie/status/242086034207277056/photo/1
http://twitter.com/mtgcolorpie/status/242086048358883328/photo/1
http://twitter.com/mtgcolorpie/status/242088093371494400/photo/1
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https://twitter.com/mtgcolorpie/status/242088259549818882/photo/1
http://forums.mtgsalvation.com/showpost.php?p=8944708&postcount=470