Gwenna, Eyes of Gaea + Cloudstone Curio + Grim Wanderer + Sheltering Ancient

Prerequisites

• Gwenna does not have summoning sickness.

Steps

1. 1Activate Gwenna by tapping it, adding that can only be spent to cast creature spells or activate abilities of creatures.
2. 2Cast Grim Wanderer by paying .
3. 3Gwenna triggers, putting a +1/+1 counter on it and untapping it.
4. 4Grim Wanderer enters the battlefield, triggering Cloudstone Curio, returning Sheltering Ancient from the battlefield to your hand.
5. 5Activate Gwenna by tapping it, adding that can only be spent to cast creature spells or activate abilities of creatures.
6. 6Cast Sheltering Ancient by paying .
7. 7Gwenna triggers, putting a +1/+1 counter on it and untapping it.
8. 8Sheltering Ancient enters the battlefield, triggering Cloudstone Curio, returning Grim Wanderer from the battlefield to your hand.
9. 9Repeat.

Effects

• Infinite +1/+1 counters on a creature
• Infinite creature ETB
• Infinite creature LTB
• Infinite storm count