River Kelpie + Thran Vigil + Carrion Feeder

Prerequisites

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Steps

1. 1Activate Carrion Feeder by sacrificing River Kelpie.
2. 2When River Kelpie dies, its persist ability triggers, returning it from your graveyard to the battlefield with a -1/-1 counter on it.
3. 3Thran Vigil and River Kelpie trigger.
4. 4Resolve the Thran Vigil trigger, putting a +1/+1 counter on River Kelpie.
5. 5Resolve the River Kelpie trigger, causing you to draw a card.
6. 6Resolve the Carrion Feeder ability
7. 7Repeat.

Effects

• Infinite card draw
• Infinite draw triggers
• Near-infinite +1/+1 counters on a creature
• Near-infinite death triggers
• Near-infinite ETB
• Near-infinite LTB
• Near-infinite sacrifice triggers