4 creatures at 3 power
1 creature at 4 power (Flayer of the Hatebound)
1 creature at 5 power (Butcher of Malakir)
43% hittable at 2 power
47% hittable at 3 power
48% hittable at 4 power
49% hittable at 5 power
28 Goblins (29 with Duplicant, 30 with Mutavault)

Lords:
Frogtosser Banneret, cheaper
Mad Auntie, bigger and regeneration
Goblin Chieftain, bigger and haste
Goblin King, bigger and mountainwalk
Goblin Warchief, cheaper and haste

Tutors:
Goblin Recruiter, mass top library goblin tutor 
Goblin Matron, into hand goblin tutor 
Boggart Harbinger, top library goblin tutor 
Moggcatcher, onto battlefield goblin tutor (not tutorable)

Removal:
Tuktuk scrapper, artifact destruction goblin
Skirk Fire Marshal, boardwipe goblin
Outrage Shaman, big kill spell goblin
Gempalm Incinerator, kill spell goblin (only from hand)
Murderous Redcap, small kill spell goblin
Lightning Crafter, slow lightning bolt goblin
Duplicant, exile kill spell (not tutorable)
Bone shredder, nonblack nonartifact kill spell (not tutorable)
Nekretaal, nonblack nonartifact kill spell (not tutorable)
King Macar, untap exile + ramp (not tutorable)
Fulminator Mage, problematic land destruction (not tutorable)

Utility:
Zo-zu, anti ramp goblin
Goblin Welder, artifact recursion goblin

Sac outlets:
Viscera Seer
Ashnod's Altar
Goblin Bombardment
Skirk Prospector (Goblins only)
Siege-Gang Commander (Goblins only)