Main deck (60) 4 Dragonskull Summit 4 First Day of Class 1 Goblin Chieftain 4 Goblin Matron 4 Goblin Piledriver 4 Goblin Ringleader 2 Goblin Warchief 4 Graven Cairns 1 Grumgully, the Generous 8 Mountain 2 Munitions Expert 1 Murderous Redcap 3 Pashalik Mons 4 Putrid Goblin 4 Rootbound Crag 4 Skirk Prospector 1 Sling-Gang Lieutenant 1 Swamp 4 Woodland Chasm Sideboard (15) 2 Duress 2 Earwig Squad 1 Environmental Sciences 3 Feed the Swarm 1 Goblin Trashmaster 1 Munitions Expert 1 Nameless Inversion 2 Nihil Spellbomb 2 Vandalblast