Intruder Alarm + Maskwood Nexus + Katsumasa, the Animator
Intruder Alarm
Maskwood Nexus
Katsumasa, the Animator
Requires
Intruder Alarm must be on the battlefield.
Maskwood Nexus must be on the battlefield.
Katsumasa, the Animator must be on the battlefield.
Mana needed: 
Steps
- Activate Katsumasa by paying , causing Maskwood Nexus to become an artifact creature until end of turn.
- Activate any number of mana-producing creatures you control by tapping them, adding at least
. - Activate Maskwood Nexus by paying and tapping it, creating a 2/2 Shapeshifter creature token.
- When the Shapeshifter enters the battlefield, Intruder Alarm triggers, untapping all creatures.
- Repeat from step 2.
- If creatures you control can tap to produce at least
, this combo nets infinite mana.
Results
Infinite creature tokens. Infinite ETB. Infinite mana creatures you control can produce. Infinite untap of creatures.
Top Commanders
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Battles
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Planeswalkers
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25% of 4 decks
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17% of 6 decks
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Ghost Town
14% of 7 decks
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14% of 7 decks
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Mana Artifacts
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100% of 7 decks
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43% of 7 decks
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Talisman of Progress
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Fellwar Stone
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Lands
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Frostboil Snarl
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Overgrown Farmland
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Karplusan Forest
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Temple of Epiphany
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Bountiful Promenade
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Rootbound Crag
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Shivan Reef
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+72% synergy
Frontier Bivouac
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Spara's Headquarters
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Sulfur Falls
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Temple Garden
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Command Tower
100% of 7 decks
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Prairie Stream
80% of 5 decks
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Simic Growth Chamber
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Hinterland Harbor
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Breeding Pool
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Exotic Orchard
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Canopy Vista
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43% of 7 decks
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Nimbus Maze
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Skycloud Expanse
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Port Town
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Hallowed Fountain
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Overflowing Basin
33% of 3 decks
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Evolving Wilds
29% of 7 decks
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Vineglimmer Snarl
25% of 4 decks
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Dreamroot Cascade
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+5% synergy
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Glacial Floodplain
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Mystic Gate
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+14% synergy
Tranquil Cove
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Razortide Bridge
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Floodfarm Verge
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Tundra
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+6% synergy
Temple of Enlightenment
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+3% synergy
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20% of 5 decks
+0% synergy
Sea of Clouds
20% of 5 decks
-6% synergy
Spire of Industry
14% of 7 decks
+11% synergy
Cavern of Souls
14% of 7 decks
+7% synergy
Mana Confluence
14% of 7 decks
+7% synergy