Adarkar Valkyrie
Intruder Alarm
Undercover Operative

   Prerequisites

What do I need to start this combo?
Undercover Operative in hand.
Adarkar Valkyrie and Intruder Alarm on the battlefield.
Adarkar Valkyrie does not have summoning sickness. You control at least one legendary creature.
2 available

   Steps

How does this combo work?
1
Activate Adarkar Valkyrie by tapping it, targeting any legendary creature you control.
2
Cast Undercover Operative by paying 2, choosing to have it enter the battlefield as a copy of the legendary creature targeted in step 1.
3
Put the legendary creature into your graveyard due to the legend rule.
4
Adarkar Valkyrie and Intruder Alarm trigger.
5
Resolve the Intruder Alarm trigger, untapping all creatures.
6
Holding priority, activate Adarkar Valkyrie by tapping it, targeting Undercover Operative.
7
Resolve the Adarkar Valkyrie trigger from step 4, returning the legendary creature to the battlefield from your graveyard.
8
Put Undercover Operative into your graveyard due to the legend rule.
9
Adarkar Valkyrie and Intruder Alarm trigger.
10
Resolve the Intruder Alarm trigger, untapping all creatures.
11
Holding priority, activate Adarkar Valkyrie by tapping it, targeting the legendary creature.
12
Resolve the Adarkar Valkyrie trigger from step 9, returning Undercover Operative to the battlefield from your graveyard as a copy of the legendary creature.
13
Repeat from step 3.

   Results

What do I get from this combo?
Infinite death triggers
Infinite ETB
Infinite LTB
Infinite mana creatures you control can produce
Infinite untap of all creatures
Merieke Ri Berit
0.1%inclusion3 decks2.37K decks
Creatures
Marvin, Murderous Mimic
100%inclusion1 decks1 decks
99%synergy
Phyrexian Metamorph
67%inclusion2 decks3 decks
58%synergy
Agent of Treachery
67%inclusion2 decks3 decks
64%synergy
Evil Twin
67%inclusion2 decks3 decks
66%synergy
Sower of Temptation
67%inclusion2 decks3 decks
65%synergy
Spark Double
67%inclusion2 decks3 decks
61%synergy
Hostage Taker
67%inclusion2 decks3 decks
64%synergy
Robaran Mercenaries
67%inclusion2 decks3 decks
66%synergy
Mother of Runes
67%inclusion2 decks3 decks
64%synergy
Puppeteer
67%inclusion2 decks3 decks
66%synergy
Vizier of Tumbling Sands
67%inclusion2 decks3 decks
66%synergy
Kelpie Guide
67%inclusion2 decks3 decks
66%synergy
Ioreth of the Healing House
67%inclusion2 decks3 decks
66%synergy
Stunt Double
33%inclusion1 decks3 decks
33%synergy
Faerie Artisans
33%inclusion1 decks3 decks
32%synergy
Clone
33%inclusion1 decks3 decks
33%synergy
Clever Impersonator
33%inclusion1 decks3 decks
31%synergy
Geth, Lord of the Vault
33%inclusion1 decks3 decks
33%synergy
Kheru Spellsnatcher
33%inclusion1 decks3 decks
33%synergy
Chainer, Dementia Master
33%inclusion1 decks3 decks
33%synergy
Trophy Mage
33%inclusion1 decks3 decks
32%synergy
Jalira, Master Polymorphist
33%inclusion1 decks3 decks
33%synergy
Notion Thief
33%inclusion1 decks3 decks
26%synergy
Gisa, Glorious Resurrector
33%inclusion1 decks3 decks
33%synergy
Hulking Metamorph
33%inclusion1 decks3 decks
33%synergy
Village Bell-Ringer
33%inclusion1 decks3 decks
33%synergy
Niblis of the Breath
33%inclusion1 decks3 decks
33%synergy
Avacyn, Angel of Hope
33%inclusion1 decks3 decks
31%synergy
Leonin Abunas
33%inclusion1 decks3 decks
33%synergy
Aphetto Alchemist
33%inclusion1 decks3 decks
33%synergy
Walking Atlas
33%inclusion1 decks3 decks
33%synergy
Mirror Image
33%inclusion1 decks3 decks
33%synergy
Aura Thief
33%inclusion1 decks3 decks
33%synergy
Sakashima of a Thousand Faces
33%inclusion1 decks3 decks
31%synergy
Mind Flayer
33%inclusion1 decks3 decks
33%synergy
White Plume Adventurer
33%inclusion1 decks3 decks
31%synergy
Vexilus Praetor
33%inclusion1 decks3 decks
31%synergy
All-Seeing Arbiter
33%inclusion1 decks3 decks
33%synergy
Arcanis the Omnipotent
33%inclusion1 decks3 decks
33%synergy
Avatar of Woe
33%inclusion1 decks3 decks
33%synergy
Bastion Protector
33%inclusion1 decks3 decks
31%synergy
Drumbellower
33%inclusion1 decks3 decks
33%synergy
Ertai, the Corrupted
33%inclusion1 decks3 decks
33%synergy
Fatestitcher
33%inclusion1 decks3 decks
33%synergy
Hylda of the Icy Crown
33%inclusion1 decks3 decks
33%synergy
Jin-Gitaxias
33%inclusion1 decks3 decks
31%synergy
Magister Sphinx
33%inclusion1 decks3 decks
30%synergy
Nimbleclaw Adept
33%inclusion1 decks3 decks
33%synergy
Reservoir Kraken
33%inclusion1 decks3 decks
33%synergy
Soulherder
33%inclusion1 decks3 decks
30%synergy
Instants
Reenact the Crime
50%inclusion1 decks2 decks
50%synergy
Cackling Counterpart
33%inclusion1 decks3 decks
33%synergy
Cyclonic Rift
33%inclusion1 decks3 decks
8%synergy
Twincast
33%inclusion1 decks3 decks
33%synergy
Desertion
33%inclusion1 decks3 decks
33%synergy
Aethersnatch
33%inclusion1 decks3 decks
33%synergy
Reins of Power
33%inclusion1 decks3 decks
33%synergy
Domineering Will
33%inclusion1 decks3 decks
33%synergy
Counterspell
33%inclusion1 decks3 decks
-8%synergy
Refocus
33%inclusion1 decks3 decks
33%synergy
Swords to Plowshares
33%inclusion1 decks3 decks
-35%synergy
Teferi's Protection
33%inclusion1 decks3 decks
16%synergy
Twiddle
33%inclusion1 decks3 decks
33%synergy
Twitch
33%inclusion1 decks3 decks
33%synergy
Archmage's Charm
33%inclusion1 decks3 decks
33%synergy
Debt of Loyalty
33%inclusion1 decks3 decks
33%synergy
Angelsong
33%inclusion1 decks3 decks
33%synergy
Kiora's Dismissal
33%inclusion1 decks3 decks
33%synergy
Sorceries
Fractured Identity
33%inclusion1 decks3 decks
32%synergy
Stolen Identity
33%inclusion1 decks3 decks
32%synergy
Saheeli's Artistry
33%inclusion1 decks3 decks
33%synergy
Fabricate
33%inclusion1 decks3 decks
29%synergy
Praetor's Grasp
33%inclusion1 decks3 decks
30%synergy
Inevitable Betrayal
33%inclusion1 decks3 decks
33%synergy
Irenicus's Vile Duplication
33%inclusion1 decks3 decks
30%synergy
Blue Sun's Twilight
33%inclusion1 decks3 decks
33%synergy
Demonic Tutor
33%inclusion1 decks3 decks
12%synergy
Acquire
33%inclusion1 decks3 decks
33%synergy
Blatant Thievery
33%inclusion1 decks3 decks
32%synergy
Invoke the Winds
33%inclusion1 decks3 decks
33%synergy
Diabolic Tutor
33%inclusion1 decks3 decks
29%synergy
Don't Move
33%inclusion1 decks3 decks
33%synergy
Utility Artifacts
Thousand-Year Elixir
67%inclusion2 decks3 decks
66%synergy
Mirror Box
67%inclusion2 decks3 decks
66%synergy
Illusionist's Bracers
67%inclusion2 decks3 decks
66%synergy
Mirage Mirror
67%inclusion2 decks3 decks
66%synergy
Magewright's Stone
67%inclusion2 decks3 decks
66%synergy
Rings of Brighthearth
67%inclusion2 decks3 decks
66%synergy
Ashnod's Altar
33%inclusion1 decks3 decks
27%synergy
Lightning Greaves
33%inclusion1 decks3 decks
11%synergy
Skullclamp
33%inclusion1 decks3 decks
24%synergy
Vedalken Orrery
33%inclusion1 decks3 decks
32%synergy
Amulet of Vigor
33%inclusion1 decks3 decks
33%synergy
Moonsilver Key
33%inclusion1 decks3 decks
33%synergy
Imposter Mech
33%inclusion1 decks3 decks
31%synergy
Halo Fountain
33%inclusion1 decks3 decks
33%synergy
Manifold Key
33%inclusion1 decks3 decks
32%synergy
Swiftfoot Boots
33%inclusion1 decks3 decks
10%synergy
Puppet Strings
33%inclusion1 decks3 decks
33%synergy
Unwinding Clock
33%inclusion1 decks3 decks
29%synergy
Helm of the Host
33%inclusion1 decks3 decks
31%synergy
Avacyn's Memorial
33%inclusion1 decks3 decks
33%synergy
Sting, the Glinting Dagger
33%inclusion1 decks3 decks
33%synergy
Conjurer's Closet
33%inclusion1 decks3 decks
31%synergy
Hylda's Crown of Winter
33%inclusion1 decks3 decks
33%synergy
Lithoform Engine
33%inclusion1 decks3 decks
32%synergy
Mask of Avacyn
33%inclusion1 decks3 decks
33%synergy
Mind's Eye
33%inclusion1 decks3 decks
33%synergy
Staff of Domination
33%inclusion1 decks3 decks
33%synergy
Sundial of the Infinite
33%inclusion1 decks3 decks
33%synergy
Thornbite Staff
33%inclusion1 decks3 decks
33%synergy
Voltaic Key
33%inclusion1 decks3 decks
33%synergy
Winter Orb
33%inclusion1 decks3 decks
33%synergy
Enchantments
Ghostly Prison
67%inclusion2 decks3 decks
45%synergy
Retreat to Coralhelm
67%inclusion2 decks3 decks
66%synergy
Pemmin's Aura
67%inclusion2 decks3 decks
66%synergy
Freed from the Real
67%inclusion2 decks3 decks
66%synergy
Animate Dead
33%inclusion1 decks3 decks
23%synergy
Leyline of Anticipation
33%inclusion1 decks3 decks
29%synergy
Dance of the Dead
33%inclusion1 decks3 decks
31%synergy
Storm of Saruman
33%inclusion1 decks3 decks
31%synergy
Rhystic Study
33%inclusion1 decks3 decks
1%synergy
Control Magic
33%inclusion1 decks3 decks
32%synergy
Copy Artifact
33%inclusion1 decks3 decks
32%synergy
Curator's Ward
33%inclusion1 decks3 decks
30%synergy
Curiosity
33%inclusion1 decks3 decks
26%synergy
Followed Footsteps
33%inclusion1 decks3 decks
32%synergy
The Bath Song
33%inclusion1 decks3 decks
33%synergy
Battles
Invasion of Vryn
33%inclusion1 decks3 decks
33%synergy
Planeswalkers
Tasha, the Witch Queen
33%inclusion1 decks3 decks
32%synergy
Elspeth, Knight-Errant
33%inclusion1 decks3 decks
33%synergy
Teferi, Timebender
33%inclusion1 decks3 decks
33%synergy
Utility Lands
Arcane Lighthouse
33%inclusion1 decks3 decks
32%synergy
Minamo, School at Water's Edge
33%inclusion1 decks3 decks
29%synergy
Barad-dûr
33%inclusion1 decks3 decks
33%synergy
Mana Artifacts
Arcane Signet
100%inclusion3 decks3 decks
12%synergy
Sol Ring
100%inclusion3 decks3 decks
10%synergy
Azorius Signet
100%inclusion3 decks3 decks
67%synergy
Patriar's Seal
100%inclusion3 decks3 decks
99%synergy
Dimir Signet
67%inclusion2 decks3 decks
34%synergy
Orzhov Signet
67%inclusion2 decks3 decks
32%synergy
Chromatic Lantern
67%inclusion2 decks3 decks
53%synergy
Mind Stone
33%inclusion1 decks3 decks
20%synergy
Thran Dynamo
33%inclusion1 decks3 decks
30%synergy
Gilded Lotus
33%inclusion1 decks3 decks
29%synergy
Decanter of Endless Water
33%inclusion1 decks3 decks
26%synergy
Mana Crypt
33%inclusion1 decks3 decks
30%synergy
Basalt Monolith
33%inclusion1 decks3 decks
31%synergy
Lands
Command Tower
67%inclusion2 decks3 decks
-26%synergy
Azorius Chancery
67%inclusion2 decks3 decks
52%synergy
Dimir Aqueduct
67%inclusion2 decks3 decks
52%synergy
Exotic Orchard
67%inclusion2 decks3 decks
8%synergy
Godless Shrine
67%inclusion2 decks3 decks
17%synergy
Hallowed Fountain
67%inclusion2 decks3 decks
18%synergy
Drowned Catacomb
67%inclusion2 decks3 decks
32%synergy
Glacial Fortress
67%inclusion2 decks3 decks
28%synergy
Isolated Chapel
67%inclusion2 decks3 decks
29%synergy
Raffine's Tower
67%inclusion2 decks3 decks
26%synergy
Arcane Sanctum
67%inclusion2 decks3 decks
12%synergy
Skycloud Expanse
33%inclusion1 decks3 decks
19%synergy
Watery Grave
33%inclusion1 decks3 decks
-16%synergy
Morphic Pool
33%inclusion1 decks3 decks
-1%synergy
Port Town
33%inclusion1 decks3 decks
16%synergy
Concealed Courtyard
33%inclusion1 decks3 decks
29%synergy
Marsh Flats
33%inclusion1 decks3 decks
-3%synergy
Fetid Heath
33%inclusion1 decks3 decks
22%synergy
Caves of Koilos
33%inclusion1 decks3 decks
-2%synergy
Darkslick Shores
33%inclusion1 decks3 decks
30%synergy
Irrigated Farmland
33%inclusion1 decks3 decks
26%synergy
Fetid Pools
33%inclusion1 decks3 decks
27%synergy
Vault of Champions
33%inclusion1 decks3 decks
0%synergy
Brightclimb Pathway
33%inclusion1 decks3 decks
26%synergy
Clearwater Pathway
33%inclusion1 decks3 decks
26%synergy
Hengegate Pathway
33%inclusion1 decks3 decks
27%synergy
Glacial Floodplain
33%inclusion1 decks3 decks
32%synergy
Ice Tunnel
33%inclusion1 decks3 decks
32%synergy
Snowfield Sinkhole
33%inclusion1 decks3 decks
32%synergy
Deserted Beach
33%inclusion1 decks3 decks
13%synergy
Shipwreck Marsh
33%inclusion1 decks3 decks
13%synergy
Shattered Sanctum
33%inclusion1 decks3 decks
18%synergy
Contaminated Aquifer
33%inclusion1 decks3 decks
30%synergy
Idyllic Beachfront
33%inclusion1 decks3 decks
30%synergy
Sunlit Marsh
33%inclusion1 decks3 decks
29%synergy
Prairie Stream
33%inclusion1 decks3 decks
-7%synergy
Sunken Hollow
33%inclusion1 decks3 decks
-6%synergy
Flooded Strand
33%inclusion1 decks3 decks
-4%synergy
Sea of Clouds
33%inclusion1 decks3 decks
-3%synergy
Polluted Delta
33%inclusion1 decks3 decks
-4%synergy
Dismal Backwater
33%inclusion1 decks3 decks
27%synergy
Terramorphic Expanse
33%inclusion1 decks3 decks
16%synergy