Activate Slimefoot and Squee by paying ({1} magic symbol) ({B} magic symbol) ({R} magic symbol) ({G} magic symbol) and sacrificing a Saproling, returning Slimefoot and Squee and Ruthless Technomancer to the battlefield from your graveyard.
When Slimefoot and Squee and Ruthless Technomancer enter the battlefield, they trigger.
Resolve the Slimefoot and Squee trigger, creating a 1/1 Saproling creature token.
Resolve the Ruthless Technomancer trigger, causing you to sacrifice Slimefoot and Squee and create three Treasure artifact tokens.
Activate the Treasures by tapping and sacrificing them, adding ({B} magic symbol) ({R} magic symbol) ({G} magic symbol) .