Retrofitter Foundry + Ashnod's Altar + Clock of Omens + Doubling Season
Retrofitter Foundry
Ashnod's Altar
Clock of Omens
Doubling Season
Requires
Retrofitter Foundry must be on the battlefield.
Ashnod's Altar must be on the battlefield.
Clock of Omens must be on the battlefield.
Doubling Season must be on the battlefield.
Mana needed: 
Steps
- Activate Retrofitter Foundry's second ability by paying and tapping it, creating two 1/1 Servo artifact creature tokens.
- Activate Clock of Omens by tapping the Servos, untapping Retrofitter Foundry.
- Activate Ashnod's Altar by sacrificing a Servo, adding .
- Repeat.
- Once you have infinite mana, you may instead use Retrofitter Foundry's first ability to untap it and get infinite untapped Servo tokens.
Results
Infinite colorless mana. Infinite creature tokens. Infinite death triggers. Infinite ETB. Infinite LTB. Infinite mana artifacts you control can produce. Infinite sacrifice triggers. Infinite untap of artifacts you control.
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10% of 10 decks
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10% of 10 decks
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33% of 3 decks
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33% of 3 decks
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25% of 4 decks
+23% synergy
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25% of 4 decks
+23% synergy
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20% of 10 decks
+19% synergy
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+18% synergy
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30% of 10 decks
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30% of 10 decks
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30% of 10 decks
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30% of 10 decks
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30% of 10 decks
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25% of 4 decks
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25% of 4 decks
+14% synergy
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25% of 4 decks
-5% synergy
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20% of 10 decks
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+10% synergy
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10% of 10 decks
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80% of 10 decks
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30% of 10 decks
+26% synergy
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30% of 10 decks
+25% synergy
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20% of 10 decks
+19% synergy
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20% of 10 decks
+18% synergy
Throne of Eldraine
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Basalt Monolith
20% of 10 decks
+17% synergy
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+16% synergy
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Chromatic Lantern
20% of 10 decks
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+10% synergy
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10% of 10 decks
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+8% synergy
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10% of 10 decks
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10% of 10 decks
+2% synergy
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10% of 10 decks
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50% of 4 decks
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50% of 4 decks
+17% synergy
Command Tower
40% of 10 decks
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+28% synergy
Rakdos Carnarium
33% of 3 decks
+19% synergy
Raugrin Triome
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+7% synergy
Savai Triome
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+6% synergy
Xander's Lounge
33% of 3 decks
+6% synergy
Raffine's Tower
33% of 3 decks
+6% synergy
Indatha Triome
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+2% synergy
Crumbling Necropolis
33% of 3 decks
+2% synergy
Spara's Headquarters
33% of 3 decks
+2% synergy
Ziatora's Proving Ground
33% of 3 decks
+2% synergy
Ketria Triome
33% of 3 decks
+1% synergy
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-0% synergy
Hall of Tagsin
30% of 10 decks
+30% synergy
Vivid Marsh
25% of 4 decks
+24% synergy
Vivid Creek
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+24% synergy
Dimir Guildgate
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+20% synergy
Plateau
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+13% synergy
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+12% synergy
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+11% synergy
Tropical Island
25% of 4 decks
+11% synergy
Underground Sea
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+11% synergy
Boros Garrison
25% of 4 decks
+10% synergy
Gruul Turf
25% of 4 decks
+9% synergy
Dimir Aqueduct
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+8% synergy
Golgari Rot Farm
25% of 4 decks
+7% synergy
Simic Growth Chamber
25% of 4 decks
+5% synergy
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+1% synergy
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-0% synergy
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25% of 4 decks
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-16% synergy
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25% of 4 decks
-16% synergy
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-17% synergy
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22% of 9 decks
+21% synergy
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20% of 10 decks
+15% synergy
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+7% synergy
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+6% synergy
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20% of 5 decks
-4% synergy
Temple Garden
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-20% synergy
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11% of 9 decks
+9% synergy
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10% of 10 decks
+10% synergy
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10% of 10 decks
+10% synergy
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10% of 10 decks
+9% synergy
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+7% synergy
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+7% synergy
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+4% synergy
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10% of 10 decks
+3% synergy