You control a creature with toughness equal to one, except the creature with One with the Kami attached.
({1} magic symbol) available.
Steps
Activate Skullclamp's equip ability by paying ({1} magic symbol) , attaching it to a creature with toughness equal to one, except the creature with One with the Kami attached.
The creature dies as a state based action due to having zero or less toughness, triggering One with the Kami, Skullclamp, and Pitiless Plunderer.
Resolve the One with the Kami trigger, creating a number of 1/1 Spirit creature tokens equal to the creature's power.
Resolve the Skullclamp trigger, causing you to draw two cards.
Resolve the Pitiless Plunderer trigger, creating a Treasure token.
Activate the Treasure token by tapping and sacrificing it, adding ({1} magic symbol) .