Argothian Elder + Experiment Kraj + Horseshoe Crab

GU identity

Commander legal

The 3 combo pieces

What must be in place

Experiment Kraj does not have summoning sickness.
You control up to two lands that can produce a total of at least {U}{U}.

How to execute it

  1. Activate up to two lands you control by tapping them, adding at least {U}{U}.
  2. Activate Experiment Kraj by tapping it, putting a +1/+1 counter on Horseshoe Crab.
  3. Activate Experiment Kraj using Horseshoe Crab's ability by paying {U}, untapping it.
  4. Activate Experiment Kraj by tapping it, putting a +1/+1 counter on Argothian Elder.
  5. Activate Experiment Kraj using Horseshoe Crab's ability by paying {U}, untapping it.
  6. Activate Experiment Kraj using Argothian Elder's ability by tapping it, untapping up to two lands.
  7. Activate up to two lands you control by tapping them, adding at least {U}{U}.
  8. Repeat from step 5.

What the combo produces