Spark Double + Murderous Redcap + Ashnod's Altar

Spark Double
Murderous Redcap
Ashnod's Altar

Requires
Spark Double must be on the battlefield (as a copy of Murderous Redcap). Murderous Redcap must be on the battlefield. Ashnod's Altar must be on the battlefield.
Steps
  1. Activate Ashnod's Altar by sacrificing Spark Double, adding .
  2. When Spark Double dies, its persist ability triggers, returning it from your graveyard to the battlefield with a -1/-1 counter on it.
  3. As 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. When Spark Double enters the battlefield, it triggers, dealing damage equal to its power to any target.
  5. Repeat.
Results
Infinite colorless mana. Infinite damage. Infinite death triggers. Infinite ETB. Infinite LTB. Infinite sacrifice triggers.

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New Cards
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Chrome Mox
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Blood Crypt
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Watery Grave
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Steam Vents
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Exotic Orchard
64% of 208 decks +29% synergy
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Underground River
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Morphic Pool
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Luxury Suite
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Dragonskull Summit
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Scalding Tarn
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Training Center
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Crumbling Necropolis
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City of Brass
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Opal Palace
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Guildmages' Forum
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Mana Confluence
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Sunken Hollow
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23% of 61 decks +8% synergy
Haunted Ridge
22% of 206 decks +6% synergy
Stormcarved Coast
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Blightstep Pathway
18% of 207 decks +8% synergy
Reflecting Pool
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Clearwater Pathway
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Evolving Wilds
17% of 208 decks -4% synergy
Gloomlake Verge
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Path of Ancestry
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Fabled Passage
15% of 208 decks +6% synergy
Badlands
14% of 208 decks +0% synergy
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Raucous Theater
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13% of 207 decks +4% synergy
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Arid Mesa
12% of 208 decks +2% synergy
Underground Sea
12% of 208 decks -2% synergy
Verdant Catacombs
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Volcanic Island
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Flooded Strand
12% of 208 decks +1% synergy
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Maestros Theater
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Graven Cairns
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