How can you create a combo with Gwenna, Eyes of Gaea, Temur Sabertooth, Phyrexian Dreadnought, Training Grounds?
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[START OF COMBO]This combo can be formed with Gwenna, Eyes of Gaea, Temur Sabertooth, Phyrexian Dreadnought, Training Grounds

Color identity: GU
Mana cost: 
Steps:
  1. Activate Gwenna by tapping it, adding {1}{G} that can only be spent to cast creature spells or activate abilities of creatures.
  2. Cast Phyrexian Dreadnought by paying {1}.
  3. Gwenna triggers, putting a +1/+1 counter on it and untapping it.
  4. Phyrexian Dreadnought enters the battlefield, triggering itself.
  5. Holding priority, activate Temur Sabertooth by paying {G}, returning Phyrexian Dreadnought from the battlefield to your hand.
  6. Resolve the Phyrexian Dreadnought ability, failing to sacrifice it due to it no longer being on the battlefield.
  7. 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
  - Temur Sabertooth must be on the battlefield
  - Phyrexian Dreadnought must be in your hand
  - Training Grounds must be on the battlefield
  - Gwenna does not have summoning sickness.
[END OF COMBO PREREQUISITES]
assistant