Devoted Druid + Exchange of Words + Lair of the Hydra

Mana needed: {2}{G}{U}{U}

GU identity

Commander legal

The 3 combo pieces

What must be in place

Lair of the Hydra does not have summoning sickness.

How to execute it

  1. Activate Lair of the Hydra's last ability by paying {1}{G}, making it a 1/1 land creature until end of turn.
  2. Cast Exchange of Words by paying {1}{U}{U}.
  3. Exchange of Words enters the battlefield, exchanging the text boxes of Devoted Druid and Lair of the Hydra.
  4. As the turn ends, Lair of the Hydra stops being a creature.
  5. On your opponent's upkeep, activate Lair of the Hydra using Devoted Druid's first ability by tapping it, adding {G}.
  6. Activate Lair of the Hydra using Devoted Druid's last ability, putting a -1/-1 counter on it and untapping it.
  7. Repeat from step 5.

What the combo produces