Surestrike Trident [Darksteel] Plant Wall Goblins you control have haste

Goblins you control have haste

−2: Create a 0/0 colorless Construct artifact creature token with "This creature gets +1/+1 for each artifact you control

You can't pay any amount of life except 0

when Hela will call them forth for the final battle

Surestrike Trident [Darksteel] Plant Wall Goblins you control have hasteSet: Darksteel Type: Artifact Equipment Rarity: Uncommon Cost: {2} Equipped creature has first strike and "{T}, Unattach Surestrike Trident: This creature deals damage equal to its power to target player or planeswalker." Equip {4} ({4}: Attach to target creature you control. Equip only as a sorcery. This card enters the battlefield unattached and stays on the battlefield if the creature leaves.)