Intruder Alarm + Maskwood Nexus + Katsumasa, the Animator

Intruder Alarm
Maskwood Nexus
Katsumasa, the Animator

Requires
Intruder Alarm must be on the battlefield. Maskwood Nexus must be on the battlefield. Katsumasa, the Animator must be on the battlefield. Maskwood Nexus does not have summoning sickness. Creatures you control can tap to produce at least 3. Mana needed: 2
Steps
  1. Activate Katsumasa by paying 2, causing Maskwood Nexus to become an artifact creature until end of turn.
  2. Activate any number of mana-producing creatures you control by tapping them, adding at least 3.
  3. Activate Maskwood Nexus by paying 3 and tapping it, creating a 2/2 Shapeshifter creature token.
  4. When the Shapeshifter enters the battlefield, Intruder Alarm triggers, untapping all creatures.
  5. Repeat from step 2.
  6. If creatures you control can tap to produce at least 4, this combo nets infinite mana.
Results
Infinite creature tokens. Infinite ETB. Infinite mana creatures you control can produce. Infinite untap of all creatures.

Volo, Itinerant Scholar // Master Chef
0.18% of 561 decks 1 decks
Chulane, Teller of Tales
0.01% of 7344 decks 1 decks
Shorikai, Genesis Engine
0.01% of 17286 decks 1 decks
New Cards
Floodfarm Verge
100% of 1 decks +79% synergy
Creatures
Ulamog's Dreadsire
100% of 1 decks +99% synergy
Kruphix, God of Horizons
100% of 2 decks +98% synergy
Glaring Fleshraker
100% of 1 decks +97% synergy
Mirri, Weatherlight Duelist
100% of 1 decks +97% synergy
Kashi-Tribe Reaver
50% of 2 decks +50% synergy
Simic Ragworm
50% of 2 decks +50% synergy
Gearshift Ace
50% of 2 decks +50% synergy
Barrenton Medic
50% of 2 decks +50% synergy
Oviya Pashiri, Sage Lifecrafter
50% of 2 decks +50% synergy
Gilder Bairn
50% of 2 decks +50% synergy
Kitsune Ace
50% of 2 decks +50% synergy
Giant Ox
50% of 2 decks +50% synergy
Hotshot Mechanic
50% of 2 decks +50% synergy
Aeronaut Admiral
50% of 2 decks +50% synergy
Hierophant Bio-Titan
50% of 2 decks +50% synergy
Experiment Kraj
50% of 2 decks +49% synergy
Jadzi, Oracle of Arcavios
50% of 2 decks +49% synergy
Tameshi, Reality Architect
50% of 2 decks +49% synergy
Nullmage Shepherd
50% of 2 decks +49% synergy
Pir, Imaginative Rascal
50% of 2 decks +49% synergy
Titanoth Rex
50% of 2 decks +49% synergy
Kotori, Pilot Prodigy
50% of 2 decks +48% synergy
Benevolent Hydra
50% of 2 decks +48% synergy
Ancient Bronze Dragon
50% of 2 decks +48% synergy
Unsettled Mariner
50% of 2 decks +48% synergy
Gold Myr
50% of 2 decks +47% synergy
Devoted Druid
50% of 2 decks +47% synergy
Avacyn, Angel of Hope
50% of 2 decks +46% synergy
Vorinclex, Monstrous Raider
50% of 2 decks +46% synergy
Circle of Dreams Druid
50% of 2 decks +46% synergy
Nyxbloom Ancient
50% of 2 decks +46% synergy
Mirror Entity
50% of 2 decks +45% synergy
Incubation Druid
50% of 2 decks +45% synergy
Ohran Frostfang
50% of 2 decks +45% synergy
Kiora's Follower
50% of 2 decks +44% synergy
Sram, Senior Edificer
50% of 2 decks +44% synergy
Ramunap Excavator
50% of 2 decks +43% synergy
Toski, Bearer of Secrets
50% of 2 decks +43% synergy
Kami of Whispered Hopes
50% of 2 decks +42% synergy
Azusa, Lost but Seeking
50% of 2 decks +42% synergy
Seedborn Muse
50% of 2 decks +42% synergy
Scute Swarm
50% of 2 decks +40% synergy
Sun Titan
50% of 2 decks +39% synergy
Sakura-Tribe Elder
50% of 2 decks +31% synergy
Birds of Paradise
50% of 2 decks +23% synergy
Rust Tick
33% of 3 decks +33% synergy
Glimmerbell
33% of 3 decks +33% synergy
Soratami Seer
33% of 3 decks +33% synergy
Teardrop Kami
33% of 3 decks +33% synergy
Soratami Mirror-Mage
33% of 3 decks +33% synergy
Instants
Teferi's Protection
100% of 2 decks +80% synergy
Counterspell
67% of 3 decks +24% synergy
Shared Summons
50% of 2 decks +49% synergy
Dovin's Veto
50% of 2 decks +31% synergy
Rewind
33% of 3 decks +30% synergy
Dramatic Reversal
33% of 3 decks +28% synergy
Negate
33% of 3 decks +11% synergy
Sorceries
Everything Comes to Dust
50% of 2 decks +49% synergy
Organic Extinction
50% of 2 decks +47% synergy
Tempt with Discovery
50% of 2 decks +46% synergy
Shamanic Revelation
50% of 2 decks +41% synergy
Austere Command
50% of 2 decks +37% synergy
Farewell
50% of 2 decks +37% synergy
Kodama's Reach
50% of 2 decks +18% synergy
Raise the Palisade
33% of 3 decks +30% synergy
Utility Artifacts
Mobile Homestead
100% of 1 decks +100% synergy
Bessie, the Doctor's Roadster
100% of 1 decks +100% synergy
Luxurious Locomotive
100% of 1 decks +100% synergy
Rolling Hamsphere
100% of 1 decks +99% synergy
Simulacrum Synthesizer
100% of 1 decks +98% synergy
The Indomitable
100% of 1 decks +97% synergy
Staff of Titania
67% of 3 decks +66% synergy
Peacewalker Colossus
50% of 2 decks +49% synergy
Andúril, Narsil Reforged
50% of 2 decks +49% synergy
Parhelion II
50% of 2 decks +49% synergy
Prodigy's Prototype
50% of 2 decks +48% synergy
Bootleggers' Stash
50% of 2 decks +48% synergy
Lifecrafter's Bestiary
50% of 2 decks +46% synergy
Ozolith, the Shattered Spire
50% of 2 decks +44% synergy
Stone Calendar
33% of 3 decks +33% synergy
Daredevil Dragster
33% of 3 decks +33% synergy
Aradara Express
33% of 3 decks +33% synergy
Goliath Truck
33% of 3 decks +33% synergy
Raiders' Karve
33% of 3 decks +33% synergy
Conqueror's Galleon
33% of 3 decks +33% synergy
Retrofitter Foundry
33% of 3 decks +33% synergy
Thunderhawk Gunship
33% of 3 decks +33% synergy
Nautiloid Ship
33% of 3 decks +33% synergy
Weatherlight
33% of 3 decks +33% synergy
Andúril, Flame of the West
33% of 3 decks +33% synergy
Argentum Armor
33% of 3 decks +32% synergy
Amulet of Vigor
33% of 3 decks +32% synergy
Smuggler's Copter
33% of 3 decks +32% synergy
Elixir of Immortality
33% of 3 decks +32% synergy
Agatha's Soul Cauldron
33% of 3 decks +32% synergy
Unwinding Clock
33% of 3 decks +31% synergy
Basilisk Collar
33% of 3 decks +30% synergy
The Ozolith
33% of 3 decks +30% synergy
Sensei's Divining Top
33% of 3 decks +28% synergy
Skullclamp
33% of 3 decks +21% synergy
Lightning Greaves
33% of 3 decks +8% synergy
Swiftfoot Boots
33% of 3 decks +5% synergy
Enchantments
Cryptolith Rite
100% of 2 decks +96% synergy
Aura Shards
100% of 1 decks +91% synergy
Mirari's Wake
100% of 1 decks +86% synergy
Caught in the Brights
50% of 2 decks +50% synergy
Leyline of Vitality
50% of 2 decks +50% synergy
Long List of the Ents
50% of 2 decks +50% synergy
Bower Passage
50% of 2 decks +50% synergy
Path of Discovery
50% of 2 decks +49% synergy
Swift Reconfiguration
50% of 2 decks +49% synergy
Court of Grace
50% of 2 decks +47% synergy
Burgeoning
50% of 2 decks +46% synergy
Elven Chorus
50% of 2 decks +45% synergy
Beastmaster Ascension
50% of 2 decks +44% synergy
Felidar Retreat
50% of 2 decks +43% synergy
Tribute to the World Tree
50% of 2 decks +42% synergy
Doubling Season
50% of 2 decks +41% synergy
Hardened Scales
50% of 2 decks +41% synergy
Smothering Tithe
50% of 2 decks +25% synergy
Inventive Iteration
33% of 3 decks +33% synergy
Retreat to Coralhelm
33% of 3 decks +31% synergy
Training Grounds
33% of 3 decks +31% synergy
Thopter Spy Network
33% of 3 decks +30% synergy
Kindred Discovery
33% of 3 decks +26% synergy
Battles
Invasion of Kamigawa
33% of 3 decks +33% synergy
Planeswalkers
Tamiyo, Field Researcher
100% of 1 decks +95% synergy
Tezzeret, Betrayer of Flesh
33% of 3 decks +32% synergy
Utility Lands
Three Tree City
100% of 1 decks +90% synergy
Yavimaya, Cradle of Growth
67% of 3 decks +57% synergy
Eiganjo Castle
50% of 2 decks +49% synergy
Gaea's Cradle
50% of 2 decks +44% synergy
Ghost Town
33% of 3 decks +33% synergy
Mech Hangar
33% of 3 decks +33% synergy
Vesuva
33% of 3 decks +32% synergy
Thespian's Stage
33% of 3 decks +31% synergy
Field of the Dead
33% of 3 decks +30% synergy
Temple of the False God
33% of 3 decks +24% synergy
Mystic Sanctuary
33% of 3 decks +21% synergy
Otawara, Soaring City
33% of 3 decks +16% synergy
Reliquary Tower
33% of 3 decks +4% synergy
Mana Artifacts
Crystal Skull, Isu Spyglass
100% of 1 decks +96% synergy
Arcane Signet
100% of 3 decks +28% synergy
Sol Ring
100% of 3 decks +16% synergy
Colossal Plow
50% of 2 decks +50% synergy
Azorius Signet
50% of 2 decks +24% synergy
Cultivator's Caravan
33% of 3 decks +33% synergy
Liquimetal Torque
33% of 3 decks +30% synergy
Chromatic Lantern
33% of 3 decks +24% synergy
Thought Vessel
33% of 3 decks +17% synergy
Lands
Horizon Canopy
100% of 1 decks +95% synergy
Nimbus Maze
100% of 2 decks +95% synergy
Selesnya Sanctuary
100% of 1 decks +86% synergy
Overgrown Farmland
100% of 1 decks +84% synergy
Simic Growth Chamber
100% of 2 decks +80% synergy
Sunpetal Grove
100% of 1 decks +77% synergy
Bountiful Promenade
100% of 1 decks +76% synergy
Spara's Headquarters
100% of 1 decks +68% synergy
Temple Garden
100% of 1 decks +59% synergy
Breeding Pool
100% of 2 decks +59% synergy
Command Tower
100% of 3 decks +26% synergy
Glacial Floodplain
50% of 2 decks +47% synergy
Mystic Gate
50% of 2 decks +44% synergy
Skycloud Expanse
50% of 2 decks +37% synergy
Tundra
50% of 2 decks +36% synergy
Azorius Chancery
50% of 2 decks +35% synergy
Port Town
50% of 2 decks +34% synergy
Temple of Mystery
50% of 2 decks +33% synergy
Glacial Fortress
50% of 2 decks +25% synergy
Hinterland Harbor
50% of 2 decks +23% synergy
Prairie Stream
50% of 2 decks +16% synergy
Hallowed Fountain
50% of 2 decks +9% synergy
Cavern of Souls
33% of 3 decks +27% synergy
Mana Confluence
33% of 3 decks +26% synergy
Exotic Orchard
33% of 3 decks -2% synergy