Pentavus
Cauldron of Souls
Clock of Omens
Ashnod's Altar

   Prerequisites

What do I need to start this combo?
All permanents on the battlefield.
Pentavus does not have a -1/-1 counter on it.

   Steps

How does this combo work?
1
Activate Cauldron of Souls by tapping it, giving Pentavus persist until end of turn.
2
Activate Ashnod's Altar by sacrificing Pentavus, adding .
3
When Pentavus dies, its persist ability triggers, returning it from your graveyard to the battlefield with four +1/+1 counters on it.
4
Activate Pentavus' first ability twice by paying 2 and removing two +1/+1 counters from it, creating two 1/1 Pentavite artifact creature tokens.
5
Activate Clock of Omens by tapping Pentavus and a Pentavite, untapping Cauldron of Souls.
6
Repeat.
7
Once you have infinite colorless mana and Pentavite tokens, you may use Pentavus' second ability to put infinite +1/+1 counters on it.

   Results

What do I get from this combo?
Infinite +1/+1 counters on a creature
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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66%synergy
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40%synergy
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19%synergy
High Synergy Cards
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84%synergy
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36%synergy
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30%synergy
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24%synergy
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23%synergy
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26%synergy
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23%synergy
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22%synergy
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23%inclusion6 decks26 decks
22%synergy
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21%synergy
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21%synergy
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19%synergy
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18%synergy
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18%synergy
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17%synergy
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17%synergy
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17%synergy
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17%synergy
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15%synergy
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15%synergy
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15%synergy
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15%synergy
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15%synergy
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15%synergy
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15%synergy
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10%synergy
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11%synergy
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11%synergy
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11%synergy
Mirrorpool
12%inclusion3 decks26 decks
11%synergy
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11%synergy
Deserted Temple
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11%synergy
Mana Artifacts
Sol Ring
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5%synergy
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68%synergy
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55%synergy
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45%synergy
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42%inclusion11 decks26 decks
39%synergy
Everflowing Chalice
42%inclusion11 decks26 decks
38%synergy
Worn Powerstone
23%inclusion6 decks26 decks
21%synergy
Hedron Archive
23%inclusion6 decks26 decks
21%synergy
Thought Vessel
23%inclusion6 decks26 decks
6%synergy
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19%inclusion5 decks26 decks
15%synergy
Mind Stone
19%inclusion5 decks26 decks
5%synergy
Arcane Signet
19%inclusion5 decks26 decks
-53%synergy
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15%synergy
Coveted Jewel
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14%synergy
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11%synergy
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12%inclusion3 decks26 decks
11%synergy
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12%inclusion3 decks26 decks
9%synergy
Lands
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42%inclusion11 decks26 decks
41%synergy
Urza's Cave
38%inclusion10 decks26 decks
36%synergy
Hall of Tagsin
27%inclusion7 decks26 decks
27%synergy
Abstergo Entertainment
24%inclusion6 decks25 decks
23%synergy
Planar Nexus
19%inclusion5 decks26 decks
19%synergy
Hidden Grotto
12%inclusion3 decks25 decks
11%synergy
Conduit Pylons
12%inclusion3 decks26 decks
11%synergy
The Grey Havens
12%inclusion3 decks26 decks
10%synergy
Gemstone Caverns
12%inclusion3 decks26 decks
7%synergy
Command Tower
12%inclusion3 decks26 decks
-63%synergy