Halo Fountain
Incubation Druid
Karn, the Great Creator

   Prerequisites

What do I need to start this combo?
All permanents on the battlefield.
Halo Fountain and Incubation Druid do not have summoning sickness. Incubation Druid has at least one +1/+1 counter on it.

   Steps

How does this combo work?
1
Activate Karn's first loyalty ability by putting a loyalty counter on it, causing Halo Fountain to become an artifact creature until end of turn.
2
Activate Incubation Druid's first ability by tapping it, adding .
3
Activate Halo Fountain's second ability by paying , tapping it and untapping it and Incubation Druid, causing you to draw a card.
4
Repeat from step 2.

   Results

What do I get from this combo?
Infinite card draw
Infinite draw triggers
Near-infinite colored mana
Near-infinite creature tokens
Near-infinite untap of creatures you control
Near-infinite mana creatures you control can produce
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16%synergy
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Lands
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96%synergy
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76%synergy
Rejuvenating Springs
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73%synergy
Indatha Triome
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72%synergy
Spara's Headquarters
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72%synergy
The World Tree
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71%synergy
Command Tower
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9%synergy
Windswept Heath
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56%synergy
Spire Garden
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44%synergy
Bountiful Promenade
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44%synergy
Spectator Seating
67%inclusion4 decks6 decks
43%synergy
Exotic Orchard
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30%synergy
Temple Garden
67%inclusion4 decks6 decks
28%synergy
Stomping Ground
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26%synergy
Arid Mesa
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40%synergy
Wooded Foothills
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39%synergy
Overgrown Farmland
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33%synergy
Sunpetal Grove
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23%synergy
Jetmir's Garden
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21%synergy
Sacred Foundry
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14%synergy
Arctic Treeline
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31%synergy
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28%synergy
Mana Confluence
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26%synergy
City of Brass
33%inclusion2 decks6 decks
26%synergy
Scattered Groves
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25%synergy
Karplusan Forest
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Rootbound Crag
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6%synergy
Clifftop Retreat
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Canopy Vista
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15%synergy
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14%synergy
Slagwoods Bridge
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14%synergy
Creosote Heath
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14%synergy
Highland Forest
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14%synergy
Graypelt Refuge
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14%synergy
Sacred Peaks
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12%synergy
Selesnya Guildgate
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12%synergy
Inspiring Vantage
17%inclusion1 decks6 decks
12%synergy
Wooded Ridgeline
17%inclusion1 decks6 decks
12%synergy
Copperline Gorge
17%inclusion1 decks6 decks
12%synergy
Reflecting Pool
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11%synergy
Radiant Grove
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11%synergy
Rustvale Bridge
17%inclusion1 decks6 decks
11%synergy
Blossoming Sands
17%inclusion1 decks6 decks
10%synergy
Sheltering Landscape
17%inclusion1 decks6 decks
10%synergy
Elegant Parlor
17%inclusion1 decks6 decks
9%synergy
Lush Portico
17%inclusion1 decks6 decks
8%synergy
Fabled Passage
17%inclusion1 decks6 decks
7%synergy
Sheltered Thicket
17%inclusion1 decks6 decks
7%synergy