Halo Fountain + Intruder Alarm + Karn, the Great Creator
Halo Fountain
Intruder Alarm
Karn, the Great Creator
Requires
Halo Fountain must be on the battlefield.
Intruder Alarm must be on the battlefield.
Karn, the Great Creator must be on the battlefield.
Halo Fountain does not have summoning sickness.
You control a creature that can tap to produce at least .
Steps
- 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.
- Activate a creature you control by tapping it, adding .
- Activate Halo Fountain's first ability by paying , tapping and untapping it, creating a 1/1 Citizen creature token.
- When the Citizen enters the battlefield, Intruder Alarm triggers, untapping all creatures.
- Repeat from step 2.
Results
Infinite creature tokens. Infinite ETB. Infinite mana creatures you control can produce. Infinite untap of all creatures.
Shorikai, Genesis Engine
0.06% of 17255 decks
10 decks
Merieke Ri Berit
0.27% of 1860 decks
5 decks
Belisarius Cawl
0.39% of 770 decks
3 decks
Urza, Prince of Kroog
0.08% of 2482 decks
2 decks
Sydri, Galvanic Genius
0.09% of 2176 decks
2 decks
Falco Spara, Pactweaver
0.02% of 4604 decks
1 decks
Grand Arbiter Augustin IV
0.01% of 7279 decks
1 decks
Urtet, Remnant of Memnarch
0.01% of 14706 decks
1 decks
Dr. Madison Li
0.02% of 4216 decks
1 decks
Tocasia, Dig Site Mentor
0.09% of 1175 decks
1 decks
Jodah, the Unifier
0.01% of 18041 decks
1 decks
Phelddagrif
0.04% of 2627 decks
1 decks
Kwain, Itinerant Meddler
0.02% of 5223 decks
1 decks
Galadriel, Light of Valinor
0.01% of 8399 decks
1 decks
High Synergy Cards
Heroic Intervention
83% of 6 decks
+54% synergy
Opposition Agent
56% of 9 decks
+48% synergy
Dauthi Voidwalker
56% of 9 decks
+47% synergy
Urza's Saga
52% of 31 decks
+44% synergy
Fabricate
48% of 31 decks
+42% synergy
Unctus, Grand Metatect
42% of 26 decks
+41% synergy
Ancient Den
45% of 31 decks
+40% synergy
Unwinding Clock
42% of 31 decks
+39% synergy
Gold Myr
42% of 31 decks
+39% synergy
Orcish Bowmasters
50% of 8 decks
+39% synergy
Top Cards
Swords to Plowshares
71% of 31 decks
+8% synergy
Dark Ritual
56% of 9 decks
+33% synergy
Enlightened Tutor
52% of 31 decks
+34% synergy
Esper Sentinel
48% of 31 decks
+28% synergy
Rhystic Study
45% of 31 decks
+17% synergy
Cyclonic Rift
45% of 31 decks
+17% synergy
Entomb
44% of 9 decks
+37% synergy
Emry, Lurker of the Loch
42% of 31 decks
+38% synergy
Dramatic Reversal
42% of 31 decks
+37% synergy
Skullclamp
42% of 31 decks
+30% synergy
Creatures
Eternal Witness
50% of 6 decks
+29% synergy
Silver Myr
39% of 31 decks
+36% synergy
Drumbellower
35% of 31 decks
+33% synergy
Etherium Sculptor
35% of 31 decks
+30% synergy
Aphetto Alchemist
32% of 31 decks
+31% synergy
Foundry Inspector
32% of 31 decks
+28% synergy
White Plume Adventurer
31% of 29 decks
+29% synergy
Fatestitcher
29% of 31 decks
+28% synergy
Ornithopter of Paradise
29% of 31 decks
+25% synergy
Palladium Myr
26% of 31 decks
+24% synergy
Padeem, Consul of Innovation
26% of 31 decks
+22% synergy
Sai, Master Thopterist
26% of 31 decks
+22% synergy
Urza, Lord Protector
25% of 28 decks
+23% synergy
Urza, Lord High Artificer
19% of 31 decks
+16% synergy
The Reality Chip
19% of 31 decks
+15% synergy
Drannith Magistrate
19% of 31 decks
+13% synergy
Solemn Simulacrum
19% of 31 decks
+5% synergy
Kotori, Pilot Prodigy
16% of 31 decks
+15% synergy
Bronze Guardian
16% of 31 decks
+14% synergy
Spellskite
16% of 31 decks
+13% synergy
Deep Gnome Terramancer
14% of 29 decks
+11% synergy
Karn, Legacy Reforged
14% of 22 decks
+13% synergy
Mondrak, Glory Dominus
13% of 23 decks
+4% synergy
Alloy Myr
13% of 31 decks
+12% synergy
Vedalken Engineer
13% of 31 decks
+12% synergy
Shimmer Myr
13% of 31 decks
+11% synergy
Oswald Fiddlebender
13% of 31 decks
+11% synergy
Kappa Cannoneer
13% of 31 decks
+11% synergy
Walking Ballista
13% of 31 decks
+10% synergy
Thought Monitor
13% of 31 decks
+10% synergy
Phyrexian Metamorph
13% of 31 decks
+6% synergy
Stenn, Paranoid Partisan
11% of 28 decks
+9% synergy
Urza, Prince of Kroog
11% of 28 decks
+8% synergy
Clever Conjurer
10% of 31 decks
+9% synergy
Tameshi, Reality Architect
10% of 31 decks
+9% synergy
Cosima, God of the Voyage
10% of 31 decks
+9% synergy
Kelpie Guide
10% of 31 decks
+9% synergy
Master Transmuter
10% of 31 decks
+8% synergy
Myr Retriever
10% of 31 decks
+8% synergy
Shimmer Dragon
10% of 31 decks
+8% synergy
Teshar, Ancestor's Apostle
10% of 31 decks
+7% synergy
Jin-Gitaxias, Progress Tyrant
10% of 31 decks
+7% synergy
Sram, Senior Edificer
10% of 31 decks
+4% synergy
Thassa's Oracle
10% of 31 decks
+2% synergy
Sun Titan
10% of 31 decks
-1% synergy
Instants
Vampiric Tutor
44% of 9 decks
+26% synergy
Mana Drain
42% of 31 decks
+27% synergy
Path to Exile
42% of 31 decks
-4% synergy
Consign to Memory
38% of 8 decks
+37% synergy
Teferi's Protection
35% of 31 decks
+16% synergy
Counterspell
32% of 31 decks
-11% synergy
Dovin's Veto
29% of 31 decks
+10% synergy
Generous Gift
29% of 31 decks
+3% synergy
Force of Will
26% of 31 decks
+15% synergy
Swan Song
26% of 31 decks
+9% synergy
Dispatch
23% of 31 decks
+18% synergy
Force of Negation
23% of 31 decks
+14% synergy
Fierce Guardianship
23% of 31 decks
+4% synergy
Arcane Denial
23% of 31 decks
+3% synergy
Crush Contraband
19% of 31 decks
+18% synergy
An Offer You Can't Refuse
19% of 31 decks
-2% synergy
Stifle
16% of 31 decks
+15% synergy
Intuition
16% of 31 decks
+14% synergy
Whir of Invention
16% of 31 decks
+13% synergy
Mindbreak Trap
16% of 31 decks
+12% synergy
Flusterstorm
16% of 31 decks
+9% synergy
Negate
13% of 31 decks
-10% synergy
Banishing Knack
10% of 31 decks
+9% synergy
Thirst for Knowledge
10% of 31 decks
+8% synergy
Narset's Reversal
10% of 31 decks
+6% synergy
Sorceries
Grim Tutor
56% of 9 decks
+51% synergy
Demonic Tutor
56% of 9 decks
+33% synergy
Organic Extinction
29% of 31 decks
+26% synergy
Dance of the Manse
26% of 31 decks
+22% synergy
Brilliant Restoration
23% of 31 decks
+20% synergy
Sevinne's Reclamation
23% of 31 decks
+15% synergy
Transmute Artifact
16% of 31 decks
+15% synergy
Steelshaper's Gift
16% of 31 decks
+14% synergy
Thoughtcast
16% of 31 decks
+13% synergy
Farewell
16% of 31 decks
+3% synergy
Supreme Verdict
16% of 31 decks
+2% synergy
Approach of the Second Sun
13% of 31 decks
+9% synergy
Anchor to Reality
10% of 31 decks
+9% synergy
Fractured Identity
10% of 31 decks
+8% synergy
Austere Command
10% of 31 decks
-3% synergy
Windfall
10% of 31 decks
-3% synergy
Utility Artifacts
Thousand-Year Elixir
39% of 31 decks
+37% synergy
Isochron Scepter
39% of 31 decks
+36% synergy
Lavaspur Boots
38% of 13 decks
+36% synergy
Manifold Key
35% of 31 decks
+34% synergy
Lightning Greaves
35% of 31 decks
+10% synergy
The One Ring
35% of 23 decks
+26% synergy
Voltaic Key
29% of 31 decks
+28% synergy
Rings of Brighthearth
29% of 31 decks
+27% synergy
Sting, the Glinting Dagger
28% of 18 decks
+26% synergy
Illusionist's Bracers
26% of 31 decks
+25% synergy
Staff of Domination
26% of 31 decks
+24% synergy
Sculpting Steel
26% of 31 decks
+24% synergy
Mystic Forge
26% of 31 decks
+23% synergy
Encroaching Mycosynth
23% of 26 decks
+22% synergy
Mycosynth Lattice
23% of 31 decks
+22% synergy
Ashnod's Altar
23% of 31 decks
+15% synergy
Weatherlight
19% of 31 decks
+19% synergy
Smuggler's Copter
19% of 31 decks
+18% synergy
Darksteel Forge
19% of 31 decks
+18% synergy
The Millennium Calendar
18% of 17 decks
+17% synergy
Cursed Scroll
16% of 31 decks
+16% synergy
Skysovereign, Consul Flagship
16% of 31 decks
+15% synergy
Mobilizer Mech
16% of 31 decks
+15% synergy
Peacewalker Colossus
16% of 31 decks
+15% synergy
Parhelion II
16% of 31 decks
+15% synergy
Cloud Key
16% of 31 decks
+14% synergy
Shorikai, Genesis Engine
16% of 31 decks
+13% synergy
Sensei's Divining Top
16% of 31 decks
+11% synergy
Thunderhawk Gunship
14% of 28 decks
+14% synergy
Nevinyrral's Disk
13% of 31 decks
+12% synergy
Idol of Oblivion
13% of 31 decks
+8% synergy
Nautiloid Ship
10% of 29 decks
+10% synergy
Unbender Tine
10% of 31 decks
+9% synergy
Imperial Recovery Unit
10% of 31 decks
+9% synergy
Unlicensed Hearse
10% of 31 decks
+9% synergy
Aerial Surveyor
10% of 31 decks
+9% synergy
Clock of Omens
10% of 31 decks
+9% synergy
Mirage Mirror
10% of 31 decks
+8% synergy
Imposter Mech
10% of 31 decks
+8% synergy
Aetherflux Reservoir
10% of 31 decks
+6% synergy
Swiftfoot Boots
10% of 31 decks
-18% synergy
Enchantments
Cryptolith Rite
50% of 6 decks
+47% synergy
Doubling Season
50% of 6 decks
+41% synergy
Smothering Tithe
32% of 31 decks
+7% synergy
Mystic Remora
26% of 31 decks
+8% synergy
Anointed Procession
23% of 31 decks
+14% synergy
Mirrodin Besieged
16% of 31 decks
+14% synergy
Mind Over Matter
13% of 31 decks
+13% synergy
Efficient Construction
13% of 31 decks
+12% synergy
Propaganda
13% of 31 decks
+1% synergy
Tocasia's Welcome
11% of 28 decks
+7% synergy
Artificer Class
10% of 29 decks
+9% synergy
Tempered Steel
10% of 31 decks
+8% synergy
Dress Down
10% of 31 decks
+8% synergy
Freed from the Real
10% of 31 decks
+8% synergy
Mechanized Production
10% of 31 decks
+7% synergy
Planeswalkers
Tezzeret, Betrayer of Flesh
29% of 31 decks
+28% synergy
Teferi, Who Slows the Sunset
26% of 31 decks
+23% synergy
Tezzeret the Seeker
23% of 31 decks
+20% synergy
Narset, Parter of Veils
13% of 31 decks
+8% synergy
Teferi, Time Raveler
10% of 31 decks
+3% synergy
Utility Lands
Seat of the Synod
42% of 31 decks
+36% synergy
Academy Ruins
39% of 31 decks
+34% synergy
Minamo, School at Water's Edge
35% of 31 decks
+31% synergy
Otawara, Soaring City
35% of 31 decks
+19% synergy
Reliquary Tower
35% of 31 decks
+6% synergy
Inventors' Fair
32% of 31 decks
+28% synergy
Buried Ruin
29% of 31 decks
+24% synergy
Darksteel Citadel
26% of 31 decks
+22% synergy
Ancient Tomb
23% of 31 decks
+12% synergy
Scorched Ruins
19% of 31 decks
+19% synergy
Lotus Field
19% of 31 decks
+18% synergy
Lotus Vale
16% of 31 decks
+16% synergy
Mech Hangar
13% of 31 decks
+12% synergy
Celestial Colonnade
13% of 31 decks
+11% synergy
Mystic Sanctuary
13% of 31 decks
+1% synergy
Urza's Workshop
11% of 28 decks
+10% synergy
Urza's Power Plant
10% of 31 decks
+8% synergy
Urza's Mine
10% of 31 decks
+8% synergy
Urza's Tower
10% of 31 decks
+8% synergy
Yavimaya, Cradle of Growth
10% of 31 decks
+0% synergy
Mana Artifacts
Sol Ring
100% of 31 decks
+16% synergy
Arcane Signet
97% of 31 decks
+25% synergy
Talisman of Hierarchy
78% of 9 decks
+53% synergy
Talisman of Dominance
56% of 9 decks
+24% synergy
Talisman of Progress
45% of 31 decks
+22% synergy
Fellwar Stone
39% of 31 decks
+18% synergy
Azorius Signet
39% of 31 decks
+13% synergy
Basalt Monolith
35% of 31 decks
+33% synergy
Cultivator's Caravan
23% of 31 decks
+22% synergy
Mox Opal
23% of 31 decks
+18% synergy
Mana Vault
23% of 31 decks
+16% synergy
Mana Crypt
23% of 31 decks
+14% synergy
Grim Monolith
19% of 31 decks
+17% synergy
Gilded Lotus
19% of 31 decks
+16% synergy
Liquimetal Torque
19% of 31 decks
+16% synergy
Thought Vessel
19% of 31 decks
+2% synergy
Sonic Screwdriver
18% of 17 decks
+16% synergy
Thran Dynamo
16% of 31 decks
+11% synergy
Chrome Mox
16% of 31 decks
+10% synergy
Mind Stone
16% of 31 decks
-1% synergy
Decanter of Endless Water
14% of 29 decks
+9% synergy
Chromatic Orrery
13% of 31 decks
+11% synergy
Mox Diamond
13% of 31 decks
+9% synergy
Chromatic Lantern
13% of 31 decks
+3% synergy
The Mightstone and Weakstone
11% of 28 decks
+10% synergy
Machine God's Effigy
11% of 28 decks
+9% synergy
Midnight Clock
10% of 31 decks
+4% synergy
Commander's Sphere
10% of 31 decks
-6% synergy
Lands
Command Tower
90% of 31 decks
+16% synergy
Breeding Pool
83% of 6 decks
+42% synergy
Vault of Champions
78% of 9 decks
+52% synergy
Morphic Pool
78% of 9 decks
+52% synergy
Godless Shrine
78% of 9 decks
+37% synergy
Watery Grave
78% of 9 decks
+37% synergy
Hallowed Fountain
74% of 31 decks
+33% synergy
Temple Garden
67% of 6 decks
+26% synergy
Scrubland
56% of 9 decks
+42% synergy
Underground Sea
56% of 9 decks
+41% synergy
Sea of Clouds
55% of 31 decks
+29% synergy
Prairie Stream
55% of 31 decks
+21% synergy
Rejuvenating Springs
50% of 6 decks
+21% synergy
Exotic Orchard
48% of 31 decks
+13% synergy
Razortide Bridge
45% of 31 decks
+38% synergy
Flooded Strand
42% of 31 decks
+31% synergy
Tundra
39% of 31 decks
+25% synergy
Glacial Fortress
39% of 31 decks
+13% synergy
Nimbus Maze
32% of 31 decks
+27% synergy
Spire of Industry
29% of 31 decks
+26% synergy
Misty Rainforest
26% of 31 decks
+14% synergy
Adarkar Wastes
26% of 31 decks
+8% synergy
Windswept Heath
23% of 31 decks
+12% synergy
Marsh Flats
23% of 31 decks
+11% synergy
Polluted Delta
23% of 31 decks
+11% synergy
Deserted Beach
23% of 31 decks
+6% synergy
Temple of Enlightenment
23% of 31 decks
+6% synergy
Cavern of Souls
19% of 31 decks
+12% synergy
Skycloud Expanse
19% of 31 decks
+7% synergy
Port Town
19% of 31 decks
+4% synergy
Gemstone Caverns
16% of 31 decks
+11% synergy
Irrigated Farmland
16% of 31 decks
+9% synergy
Bloodstained Mire
16% of 31 decks
+6% synergy
Arid Mesa
16% of 31 decks
+6% synergy
Scalding Tarn
16% of 31 decks
+5% synergy
Verdant Catacombs
16% of 31 decks
+5% synergy
Azorius Chancery
16% of 31 decks
+1% synergy
The Mycosynth Gardens
15% of 26 decks
+13% synergy
Hengegate Pathway
13% of 31 decks
+5% synergy
Idyllic Beachfront
11% of 28 decks
+7% synergy
Flood Plain
10% of 31 decks
+9% synergy
Glacial Floodplain
10% of 31 decks
+7% synergy
Seachrome Coast
10% of 31 decks
+5% synergy
Mystic Gate
10% of 31 decks
+4% synergy
Evolving Wilds
10% of 31 decks
-11% synergy