Sage of Hours and Pili-Pala has at least one +1/+1 counter on it.
Experiment Kraj does not have summoning sickness.
({6} magic symbol) each turn available.
Steps
Activate Experiment Kraj by tapping it, putting a +1/+1 counter on itself.
Activate Experiment Kraj using Pili-Pala's ability by paying ({2} magic symbol) and untapping it, adding ({1} magic symbol) .
Repeat from step 2 until Experiment Kraj has five +1/+1 counters.
Activate Experiment Kraj using Sage of Hours' ability by removing all +1/+1 counters from it, causing you to take at least one extra turn after this one.