Goblin Trinketeer

Haste
Whenever another creature you control attacks,
you may pay {2}. If you do, create a colorless Equipment artifact token named Rock with
"Equipped creature has '{1}, {t}, Sacrifice Rock:
This creature deals 2 damage to any target'" and
equip {1}.
{t}, Sacrifice an artifact: Attach target Equipment
you control to target creature you control.