Gob-urn !

20 Mountain
2 Ancient Tomb
1Bloodstained Mire
1 Wooded Foothills

4 Goblin Warchief
4 Goblin Ringleader
4 Goblin Recruiter
3 Goblin Lackey
4 Goblin Piledriver
4 Skirk Prospector
4 Mogg Fanatic
4 Siege-Gang Commander
2 Goblin Sharpshooter
3 Goblin Matron

Sideboard:
2 Thran Lense
4 Flaring Pain
3 Cursed Scroll
3 Pillage
2 Gempalm Incinerator
1 Blood Moon