Karn, the Great Creator
Doubling Cube
Umbral Mantle

   Prerequisites

What do I need to start this combo?
All permanents on the battlefield.
Doubling Cube does not have summoning sickness.
10 available

   Steps

How does this combo work?
1
Activate Karn's first loyalty ability by putting a loyalty counter on it, causing Doubling Cube to become an artifact creature until end of turn.
2
Activate Umbral Mantle's equip ability by paying 0, attaching it to Doubling Cube.
3
Float at least 10 in your mana pool.
4
Activate Doubling Cube by paying 3 and tapping it, adding at least 7.
5
Activate Doubling Cube by paying 3 and untapping it, giving it +2/+2 until end of turn.
6
Repeat from step 4.

   Results

What do I get from this combo?
Infinitely large Doubling Cube until end of turn
Infinite mana permanents you control can produce
Infinite untap of creatures you control
Infinite mana creatures you control can produce
Infinitely large creature until end of turn
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New Cards
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High Synergy Cards
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10%synergy
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30%synergy
Blast Zone
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Wasteland
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22%synergy
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22%synergy
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22%synergy
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21%synergy
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19%synergy
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18%synergy
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21%synergy
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Nephalia Academy
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16%synergy
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16%synergy
Eldrazi Temple
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Blasted Landscape
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15%synergy
Eye of Ugin
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15%synergy
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14%synergy
Mana Artifacts
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16%synergy
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91%synergy
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77%synergy
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58%synergy
Mind Stone
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45%synergy
Thought Vessel
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39%synergy
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36%synergy
Midnight Clock
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33%synergy
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32%synergy
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32%synergy
Hedron Archive
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27%synergy
Dreamstone Hedron
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25%synergy
Chromatic Orrery
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24%synergy
Worn Powerstone
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23%synergy
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16%synergy
Lotus Petal
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12%synergy
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17%synergy
Mana Crypt
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15%synergy
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12%synergy
Powerstone Shard
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12%synergy
Fellwar Stone
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-8%synergy
Empowered Autogenerator
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11%synergy
Honor-Worn Shaku
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11%synergy
Stonespeaker Crystal
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9%synergy
Commander's Sphere
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-3%synergy
Blinkmoth Urn
8.3%inclusion6 decks72 decks
8%synergy
Coveted Jewel
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7%synergy
Staff of Compleation
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7%synergy
Thran Turbine
6.9%inclusion5 decks72 decks
7%synergy
The Irencrag
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6%synergy
Paradise Mantle
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6%synergy
Jeweled Lotus
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5%synergy
Extraplanar Lens
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5%synergy
Patriar's Seal
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4%synergy
Lion's Eye Diamond
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4%synergy
Lands
The Mycosynth Gardens
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50%synergy
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39%synergy
Planar Nexus
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23%synergy
Cavern of Souls
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15%synergy
Crystal Grotto
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19%synergy
The Grey Havens
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16%synergy
Hall of Tagsin
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15%synergy
Gemstone Caverns
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10%synergy
Talon Gates of Madara
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13%synergy
Gallifrey Council Chamber
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14%synergy
Command Tower
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-62%synergy
Demolition Field
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5%synergy
Exotic Orchard
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-29%synergy
Conduit Pylons
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6%synergy
Hidden Grotto
5.4%inclusion3 decks56 decks
5%synergy