How can you create a combo with Gwenna, Eyes of Gaea, Cloudstone Curio, Grim Wanderer, Sheltering Ancient?
user
[START OF COMBO]This combo can be formed with Gwenna, Eyes of Gaea, Cloudstone Curio, Grim Wanderer, Sheltering Ancient

Color identity: BG
Mana cost: 
Steps:
  1. Activate Gwenna by tapping it, adding {1}{B} that can only be spent to cast creature spells or activate abilities of creatures.
  2. Cast Grim Wanderer by paying {1}{B}.
  3. Gwenna triggers, putting a +1/+1 counter on it and untapping it.
  4. Grim Wanderer enters the battlefield, triggering Cloudstone Curio, returning Sheltering Ancient from the battlefield to your hand.
  5. Activate Gwenna by tapping it, adding {1}{G} that can only be spent to cast creature spells or activate abilities of creatures.
  6. Cast Sheltering Ancient by paying {1}{G}.
  7. Gwenna triggers, putting a +1/+1 counter on it and untapping it.
  8. Sheltering Ancient enters the battlefield, triggering Cloudstone Curio, returning Grim Wanderer from the battlefield to your hand.
  9. Repeat.[END OF COMBO STEPS]

Result:
  - Infinite +1/+1 counters on Gwenna
  - Infinite enters the battlefield
  - Infinite leaves the battlefield
  - Infinite storm count[END OF COMBO RESULT][END OF COMBO]

Other prerequisites:
  - Gwenna, Eyes of Gaea must be on the battlefield
  - Cloudstone Curio must be on the battlefield
  - Grim Wanderer must be in your hand
  - Sheltering Ancient must be on the battlefield
  - Gwenna does not have summoning sickness.
[END OF COMBO PREREQUISITES]
assistant