Glorious Protector + Icewind Stalwart + Soulherder

Prerequisites

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Steps

1. 1At the beginning of your end step, Soulherder's second ability triggers, blinking Glorious Protector.
2. 2Glorious Protector leaves and enters the battlefield, returning Icewind Stalwart from exile to the battlefield, and triggering Soulherder's first ability, as well as Icewind Stalwart and Glorious Protector's enters-the-battlefield abilities.
3. 3Resolve the Soulherder trigger, putting a +1/+1 counter on it.
4. 4Resolve the Glorious Protector trigger, exiling Icewind Stalwart until Glorious Protector enters the battlefield.
5. 5Soulherder's first ability triggers, putting a +1/+1 counter on itself.
6. 6Resolve the Icewind Stalwart trigger, blinking Glorious Protector.
7. 7Repeat from step 2.

Effects

• Infinite +1/+1 counters on a creature
• Infinite blinking of most creatures
• Infinite creature ETB
• Infinite creature LTB