Mikaeus, the Unhallowed + Spike Feeder + Ashnod's Altar

Mikaeus, the Unhallowed
Spike Feeder
Ashnod's Altar

Requires
Mikaeus, the Unhallowed must be on the battlefield. Spike Feeder must be on the battlefield. Ashnod's Altar must be on the battlefield. Spike Feeder has no +1/+1 counters on it.
Steps
  1. Activate Ashnod's Altar by sacrificing Spike Feeder, adding .
  2. Spike Feeder's undying ability triggers, returning itself to the battlefield with a +1/+1 counter on it.
  3. Activate Spike Feeder's second ability three times by removing three +1/+1 counters from it, causing you to gain six life.
  4. Repeat.
Results
Infinite colorless mana. Infinite death triggers. Infinite ETB. Infinite lifegain. Infinite lifegain triggers. Infinite LTB. Infinite sacrifice triggers.

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0.43% of 6336 decks 27 decks
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High Synergy Cards
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Kiki-Jiki, Mirror Breaker
57% of 7 decks +55% synergy
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29% of 58 decks +28% synergy
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29% of 58 decks +26% synergy
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27% of 11 decks +26% synergy
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27% of 99 decks +23% synergy
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27% of 97 decks +25% synergy
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27% of 101 decks +26% synergy
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26% of 38 decks +24% synergy
Saffi Eriksdotter
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Sun Titan
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Elves of Deep Shadow
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21% of 101 decks +19% synergy
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19% of 101 decks +18% synergy
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19% of 101 decks +18% synergy
Kutzil, Malamet Exemplar
19% of 16 decks +14% synergy
Good-Fortune Unicorn
19% of 54 decks +18% synergy
Ivy Lane Denizen
18% of 101 decks +17% synergy
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18% of 96 decks +13% synergy
Essence Warden
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Reclamation Sage
17% of 101 decks +11% synergy
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Ojer Taq, Deepest Foundation
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16% of 92 decks +15% synergy
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Young Wolf
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Vampiric Tutor
48% of 101 decks +38% synergy
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Beast Within
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21% of 101 decks +19% synergy
Dark Ritual
19% of 101 decks +8% synergy
Abzan Charm
17% of 58 decks +17% synergy
Putrefy
16% of 101 decks +12% synergy
Teferi's Protection
14% of 56 decks +5% synergy
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14% of 101 decks +13% synergy
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13% of 100 decks -1% synergy
Deadly Dispute
10% of 89 decks +4% synergy
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9% of 94 decks +3% synergy
Deadly Rollick
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8% of 101 decks +4% synergy
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7% of 55 decks +4% synergy
Veil of Summer
7% of 97 decks +4% synergy
Silence
7% of 58 decks +4% synergy
Corrupted Conviction
7% of 45 decks +4% synergy
Saw in Half
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Mortality Spear
7% of 92 decks +6% synergy
Malakir Rebirth
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Tamiyo's Safekeeping
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25% of 101 decks +9% synergy
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24% of 101 decks +18% synergy
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23% of 100 decks +21% synergy
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23% of 101 decks +20% synergy
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23% of 101 decks +8% synergy
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21% of 101 decks +18% synergy
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19% of 101 decks +7% synergy
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18% of 101 decks +15% synergy
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17% of 101 decks +14% synergy
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16% of 101 decks +1% synergy
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Rhystic Study
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Aura Shards
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Swift Reconfiguration
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Sanguine Bond
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Defense of the Heart
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Black Market Connections
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7% of 101 decks +7% synergy
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7% of 101 decks +3% synergy
Sterling Grove
7% of 58 decks +5% synergy
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7% of 60 decks +6% synergy
Dance of the Dead
6% of 101 decks +5% synergy
Greater Good
6% of 101 decks +4% synergy
Martyr's Bond
5% of 58 decks +5% synergy
Kaya's Ghostform
5% of 98 decks +3% synergy
Battles
Invasion of Ikoria
7% of 45 decks +4% synergy
Planeswalkers
Grist, the Hunger Tide
8% of 92 decks +7% synergy
Liliana, Dreadhorde General
7% of 98 decks +5% synergy
Tyvar, Jubilant Brawler
7% of 57 decks +6% synergy
Kaya, Geist Hunter
6% of 47 decks +6% synergy
Utility Lands
Urborg, Tomb of Yawgmoth
45% of 101 decks +34% synergy
Yavimaya, Cradle of Growth
38% of 92 decks +29% synergy
Bojuka Bog
32% of 101 decks +16% synergy
Phyrexian Tower
30% of 101 decks +25% synergy
Gavony Township
29% of 58 decks +27% synergy
High Market
26% of 101 decks +22% synergy
Boseiju, Who Endures
25% of 84 decks +16% synergy
Ancient Tomb
25% of 101 decks +14% synergy
Takenuma, Abandoned Mire
21% of 84 decks +16% synergy
Reliquary Tower
16% of 101 decks -13% synergy
Cabal Coffers
15% of 101 decks +9% synergy
Dryad Arbor
14% of 101 decks +12% synergy
Gaea's Cradle
14% of 101 decks +11% synergy
Grim Backwoods
13% of 101 decks +12% synergy
Urza's Saga
12% of 92 decks +5% synergy
Castle Locthwain
10% of 96 decks +8% synergy
Strip Mine
10% of 101 decks +7% synergy
Restless Cottage
9% of 34 decks +8% synergy
Volrath's Stronghold
8% of 101 decks +7% synergy
Westvale Abbey
8% of 101 decks +7% synergy
Hissing Quagmire
6% of 101 decks +6% synergy
Oran-Rief, the Vastwood
6% of 101 decks +4% synergy
Mosswort Bridge
6% of 101 decks +1% synergy
Temple of the False God
6% of 101 decks -4% synergy
Witch's Clinic
5% of 92 decks +4% synergy
Vault of the Archangel
5% of 58 decks +3% synergy
Karn's Bastion
5% of 98 decks +0% synergy
Mana Artifacts
Sol Ring
87% of 101 decks +3% synergy
Arcane Signet
59% of 96 decks -12% synergy
Golgari Signet
21% of 101 decks +18% synergy
Mana Crypt
19% of 101 decks +8% synergy
Talisman of Resilience
12% of 97 decks +10% synergy
Jeweled Lotus
12% of 94 decks +4% synergy
Mana Vault
11% of 101 decks +4% synergy
Chromatic Lantern
11% of 101 decks +1% synergy
Fellwar Stone
11% of 101 decks -10% synergy
Selesnya Signet
10% of 58 decks +8% synergy
Orzhov Signet
10% of 58 decks +4% synergy
Lotus Petal
10% of 101 decks +3% synergy
Talisman of Unity
9% of 58 decks +7% synergy
Lands
Command Tower
90% of 101 decks +16% synergy
Overgrown Tomb
81% of 101 decks +72% synergy
Temple Garden
81% of 58 decks +72% synergy
Godless Shrine
78% of 58 decks +68% synergy
Indatha Triome
73% of 51 decks +69% synergy
Blood Crypt
71% of 7 decks +62% synergy
Stomping Ground
71% of 7 decks +62% synergy
Breeding Pool
67% of 9 decks +57% synergy
Verdant Catacombs
61% of 101 decks +50% synergy
Savai Triome
60% of 5 decks +57% synergy
Sacred Foundry
60% of 5 decks +52% synergy
Watery Grave
56% of 9 decks +45% synergy
Zagoth Triome
56% of 9 decks +52% synergy
Woodland Cemetery
53% of 101 decks +48% synergy
Isolated Chapel
48% of 58 decks +42% synergy
Sunpetal Grove
47% of 58 decks +42% synergy
Undergrowth Stadium
45% of 94 decks +39% synergy
Marsh Flats
45% of 101 decks +33% synergy
Tropical Island
44% of 9 decks +41% synergy
Underground Sea
44% of 9 decks +41% synergy
Llanowar Wastes
44% of 101 decks +38% synergy
Windswept Heath
44% of 101 decks +33% synergy
Vault of Champions
43% of 51 decks +37% synergy
Ziatora's Proving Ground
43% of 7 decks +40% synergy
Spire Garden
43% of 7 decks +38% synergy
Caves of Koilos
38% of 58 decks +32% synergy
Underground Mortuary
36% of 22 decks +33% synergy
Bountiful Promenade
36% of 56 decks +30% synergy
Bayou
32% of 101 decks +29% synergy
Exotic Orchard
32% of 101 decks -4% synergy
Murmuring Bosk
29% of 58 decks +28% synergy
Savannah
28% of 58 decks +25% synergy
Twilight Mire
27% of 101 decks +25% synergy
Fetid Heath
26% of 58 decks +23% synergy
Sandsteppe Citadel
26% of 58 decks +23% synergy
Brushland
26% of 58 decks +23% synergy
Canopy Vista
26% of 58 decks +18% synergy
Deathcap Glade
25% of 87 decks +22% synergy
Nurturing Peatland
25% of 97 decks +23% synergy
Darkbore Pathway
24% of 94 decks +23% synergy
Scrubland
24% of 58 decks +21% synergy
Tainted Wood
24% of 101 decks +21% synergy
Bloodstained Mire
23% of 101 decks +13% synergy
Misty Rainforest
23% of 101 decks +11% synergy
Temple of Malady
22% of 101 decks +18% synergy
Wooded Foothills
22% of 101 decks +12% synergy
Polluted Delta
22% of 101 decks +11% synergy
Mana Confluence
20% of 101 decks +12% synergy
City of Brass
20% of 101 decks +12% synergy
Silent Clearing
19% of 54 decks +17% synergy