Aethersnipe + Gwenna, Eyes of Gaea + Sapphire Medallion

Prerequisites

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Steps

1. 1Activate Gwenna by tapping it, adding that can only be spent to cast creature spells or activate abilities of creatures.
2. 2Cast Aethersnipe for its evoke cost by paying .
3. 3Gwenna triggers, putting a +1/+1 counter on it and untapping it.
4. 4When Aethersnipe enters the battlefield, its first ability and evoke ability trigger.
5. 5Resolve the first Aethersnipe trigger, returning it from the battlefield to your hand.
6. 6Resolve the second Aethersnipe trigger, failing to sacrifice it as it is no longer on the battlefield.
7. 7Repeat.

Effects

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