Arcane Adaptation + Argothian Elder + Griffin Canyon

GU identity

Commander legal

The 3 combo pieces

What must be in place

Argothian Elder does not have summoning sickness.
You control at least one additional land.

How to execute it

  1. Activate Argothian Elder by tapping it, untapping Griffin Canyon and another land.
  2. Activate Griffin Canyon's second ability by tapping it, untapping Argothian Elder and giving it +1/+1 until end of turn.
  3. Repeat.

What the combo produces