If you look carefully and think hard enough almost every trap is a bakugan from last season.
Dart Dragonoid=Dragonoid
Triad El Condor=El Condor
Tripod Epsilon= Frosch
Triad Sphinx=Manion
Hexados=Wormquake
Piercian=Robotallian
Pythantus=Rattleoid {To vicious to be Serpenoid}
Tripod Theta=Siege
Legionoid=Centapoid
Brachium=Fear Ripper
Dark Hound and Grakas Hound= Hynoid
Baliton=Saurus
Falcon Fly=Bee Striker
Hylash=Warrious
Carlsnaut=Cycloid is my best guess
etc.