Blade of the Bloodchief attached to Thopter Squadron.
You control at least one additional creature.
Steps
Activate Thermopod's second ability by sacrificing another creature, adding ({R} magic symbol) .
When the creature dies, Blade of the Bloodchief triggers, putting a +1/+1 counter on Thopter Squadron.
Activate Thopter Squadron' first ability by paying ({1} magic symbol) and removing a +1/+1 counter from it, creating a 1/1 Thopter artifact creature token.