Spark Double + Murderous Redcap + Ashnod's Altar

Prerequisites

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Steps

1. 1Activate Ashnod's Altar by sacrificing Spark Double, adding .
2. 2When Spark Double dies, its persist ability triggers, returning it from your graveyard to the battlefield with a -1/-1 counter on it.
3. 3As Spark Double enters the battlefield, choose to have it enter the battlefield as a copy of Murderous Redcap with a +1/+1 counter on it.
4. 4When Spark Double enters the battlefield, it triggers, dealing damage equal to its power to any target.
5. 5Repeat.

Effects

• Infinite colorless mana
• Infinite damage
• Infinite death triggers
• Infinite ETB
• Infinite LTB
• Infinite sacrifice triggers