Adarkar Valkyrie + Intruder Alarm + Ashnod's Altar

Adarkar Valkyrie
Intruder Alarm
Ashnod's Altar

Requires
Adarkar Valkyrie must be on the battlefield. Intruder Alarm must be on the battlefield. Ashnod's Altar must be on the battlefield. Adarkar Valkyrie does not have summoning sickness. You control at least one additional nontoken creature.
Steps
  1. Activate Adarkar Valkyrie by tapping it, targeting another nontoken creature you control.
  2. Activate Ashnod's Altar by sacrificing the creature targeted in step 1, adding .
  3. When the creature dies, Adarkar Valkyrie triggers, returning the sacrificed creature from your graveyard to the battlefield.
  4. When the creature enters the battlefield, Intruder Alarm triggers, untapping all creatures.
  5. Repeat.
Results
Infinite LTB. Infinite ETB. Infinite sacrifice triggers. Infinite death triggers. Infinite colorless mana. Infinite untap of all creatures. Infinite mana creatures you control can produce.

Niko, Light of Hope
0.03% of 2875 decks 1 decks
Top Commanders
Merieke Ri Berit
0.60% of 1845 decks 11 decks
Isu the Abominable
0.04% of 2387 decks 1 decks
Kenrith, the Returned King
0.00% of 21730 decks 1 decks
Tobias, Doomed Conqueror
0.76% of 132 decks 1 decks
Child of Alara
0.02% of 5227 decks 1 decks
Grand Arbiter Augustin IV
0.01% of 7243 decks 1 decks
Cecily, Haunted Mage // Othelm, Sigardian Outcast
0.05% of 1905 decks 1 decks
High Synergy Cards
Thousand-Year Elixir
56% of 18 decks +53% synergy
Freed from the Real
56% of 18 decks +53% synergy
Ioreth of the Healing House
53% of 15 decks +52% synergy
Pemmin's Aura
44% of 18 decks +43% synergy
Phyrexian Altar
44% of 18 decks +40% synergy
Kelpie Guide
39% of 18 decks +38% synergy
Vizier of Tumbling Sands
39% of 18 decks +38% synergy
Cloudshift
39% of 18 decks +36% synergy
Aura of Dominion
33% of 18 decks +33% synergy
Unbender Tine
33% of 18 decks +33% synergy
Top Cards
Swiftfoot Boots
56% of 18 decks +28% synergy
Lightning Greaves
39% of 18 decks +14% synergy
Rhystic Study
39% of 18 decks +11% synergy
Swords to Plowshares
39% of 18 decks -24% synergy
Patriar's Seal
38% of 16 decks +36% synergy
Bribery
33% of 18 decks +32% synergy
Illusionist's Bracers
33% of 18 decks +32% synergy
Conjurer's Closet
33% of 18 decks +31% synergy
Ghostly Flicker
33% of 18 decks +28% synergy
Dramatic Reversal
33% of 18 decks +28% synergy
Creatures
Composite Golem
100% of 3 decks +99% synergy
Coffin Queen
29% of 14 decks +28% synergy
Nightmare Shepherd
29% of 14 decks +28% synergy
Evil Twin
29% of 14 decks +27% synergy
Tideforce Elemental
28% of 18 decks +28% synergy
Fatestitcher
28% of 18 decks +27% synergy
Aphetto Alchemist
28% of 18 decks +27% synergy
Arcanis the Omnipotent
28% of 18 decks +26% synergy
Mother of Runes
28% of 18 decks +21% synergy
Robaran Mercenaries
25% of 16 decks +25% synergy
The Ever-Changing 'Dane
25% of 12 decks +25% synergy
Puppeteer
22% of 18 decks +22% synergy
Village Bell-Ringer
22% of 18 decks +21% synergy
Agent of Treachery
22% of 18 decks +20% synergy
Avatar of Woe
21% of 14 decks +21% synergy
Royal Assassin
21% of 14 decks +20% synergy
Athreos, Shroud-Veiled
21% of 14 decks +19% synergy
Notion Thief
21% of 14 decks +14% synergy
Pippin, Guard of the Citadel
20% of 15 decks +16% synergy
Drumbellower
19% of 16 decks +16% synergy
Empress Galina
17% of 18 decks +16% synergy
Clever Conjurer
17% of 18 decks +16% synergy
Giver of Runes
17% of 18 decks +14% synergy
Restoration Angel
17% of 18 decks +14% synergy
Thassa, Deep-Dwelling
17% of 18 decks +14% synergy
Karmic Guide
17% of 18 decks +12% synergy
Spark Double
17% of 18 decks +10% synergy
Solemn Simulacrum
17% of 18 decks +3% synergy
Instants
Counterspell
33% of 18 decks -10% synergy
Energy Arc
28% of 18 decks +28% synergy
Dovin's Veto
28% of 18 decks +9% synergy
Negate
28% of 18 decks +5% synergy
An Offer You Can't Refuse
25% of 16 decks +4% synergy
To Arms!
22% of 18 decks +22% synergy
Swan Song
22% of 18 decks +6% synergy
Teferi's Protection
22% of 18 decks +2% synergy
Path to Exile
22% of 18 decks -24% synergy
Refocus
17% of 18 decks +16% synergy
Desertion
17% of 18 decks +16% synergy
Cerulean Wisps
17% of 18 decks +16% synergy
Mana Drain
17% of 18 decks +1% synergy
Fierce Guardianship
17% of 18 decks -1% synergy
Cyclonic Rift
17% of 18 decks -11% synergy
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22% of 18 decks +22% synergy
Praetor's Grasp
21% of 14 decks +19% synergy
Diabolic Intent
21% of 14 decks +13% synergy
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21% of 14 decks +6% synergy
Demonic Tutor
21% of 14 decks -1% synergy
Supreme Verdict
17% of 18 decks +3% synergy
Utility Artifacts
Skullclamp
33% of 18 decks +21% synergy
Magewright's Stone
28% of 18 decks +27% synergy
Thornbite Staff
28% of 18 decks +27% synergy
Staff of Domination
28% of 18 decks +26% synergy
Puppet Strings
22% of 18 decks +22% synergy
Rings of Brighthearth
22% of 18 decks +21% synergy
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18% of 17 decks +16% synergy
Nim Deathmantle
17% of 18 decks +16% synergy
Umbral Mantle
17% of 18 decks +16% synergy
Isochron Scepter
17% of 18 decks +14% synergy
Altar of Dementia
17% of 18 decks +14% synergy
Enchantments
Propaganda
28% of 18 decks +16% synergy
Second Wind
22% of 18 decks +22% synergy
Retreat to Coralhelm
22% of 18 decks +20% synergy
Animate Dead
21% of 14 decks +12% synergy
Promise of Tomorrow
17% of 18 decks +17% synergy
Land Tax
17% of 18 decks +10% synergy
Ghostly Prison
17% of 18 decks +5% synergy
Mystic Remora
17% of 18 decks -1% synergy
Smothering Tithe
17% of 18 decks -8% synergy
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50% of 18 decks +20% synergy
Phyrexian Tower
29% of 14 decks +20% synergy
Arcane Lighthouse
22% of 18 decks +21% synergy
High Market
17% of 18 decks +14% synergy
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17% of 18 decks +12% synergy
Academy Ruins
17% of 18 decks +12% synergy
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17% of 18 decks +4% synergy
Mana Artifacts
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94% of 18 decks +10% synergy
Arcane Signet
83% of 18 decks +11% synergy
Chromatic Lantern
50% of 18 decks +40% synergy
Azorius Signet
50% of 18 decks +24% synergy
Orzhov Signet
43% of 14 decks +16% synergy
Dimir Signet
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Fellwar Stone
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Talisman of Progress
22% of 18 decks -1% synergy
Decanter of Endless Water
19% of 16 decks +14% synergy
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17% of 18 decks -0% synergy
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Exotic Orchard
61% of 18 decks +26% synergy
Godless Shrine
57% of 14 decks +16% synergy
Glacial Fortress
50% of 18 decks +24% synergy
Isolated Chapel
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Hallowed Fountain
50% of 18 decks +9% synergy
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50% of 14 decks +9% synergy
Raffine's Tower
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Dimir Aqueduct
36% of 14 decks +19% synergy
Drowned Catacomb
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Arcane Sanctum
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Azorius Chancery
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Sea of Clouds
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Prairie Stream
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Vault of Champions
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Morphic Pool
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Caves of Koilos
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Spire of Industry
22% of 18 decks +19% synergy
Irrigated Farmland
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Marsh Flats
22% of 18 decks +11% synergy
Skycloud Expanse
22% of 18 decks +10% synergy
Port Town
22% of 18 decks +7% synergy
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22% of 18 decks +5% synergy
Concealed Courtyard
21% of 14 decks +16% synergy
Scrubland
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Orzhov Basilica
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Idyllic Beachfront
19% of 16 decks +15% synergy
Seachrome Coast
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Nimbus Maze
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Evolving Wilds
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