Isochron Scepter + The Blackstaff of Waterdeep + Roar of the Kha

Isochron Scepter
The Blackstaff of Waterdeep
Roar of the Kha

Requires
Isochron Scepter must be on the battlefield. The Blackstaff of Waterdeep must be on the battlefield. Roar of the Kha must be in exile (exiled by Isochron Scepter). Mana needed:
Steps
  1. Activate all mana-producing creatures you control by tapping them, adding at least 3.
  2. Activate The Blackstaff of Waterdeep by paying 1 and tapping it, causing Isochron Scepter to become a 4/4 artifact creature.
  3. Activate Isochron Scepter by paying 2 and tapping it, casting a copy of Roar of the Kha without paying its mana cost.
  4. Resolve Roar of the Kha, untapping all creatures you control.
  5. Activate all mana-producing creatures you control by tapping them, adding at least 3.
  6. Repeat from step 3.
Results
Infinite magecraft triggers. Infinite mana creatures you control can produce. Infinite storm count. Infinite untap of creatures you control.

Sydri, Galvanic Genius
0.04% of 2358 decks 1 decks
Garth One-Eye
0.02% of 4376 decks 1 decks
Angus Mackenzie
0.08% of 1211 decks 1 decks
Game Changers
Demonic Tutor
50% of 2 decks +29% synergy
Fierce Guardianship
33% of 3 decks +15% synergy
Creatures
Sunastian Falconer
100% of 1 decks +100% synergy
Brimstone Trebuchet
100% of 1 decks +100% synergy
Syr Carah, the Bold
100% of 1 decks +100% synergy
Panicked Altisaur
100% of 1 decks +100% synergy
Izzet Staticaster
100% of 1 decks +100% synergy
Prodigal Pyromancer
100% of 1 decks +100% synergy
Chandra, Fire of Kaladesh
100% of 1 decks +100% synergy
Nettle Drone
100% of 1 decks +100% synergy
Lobber Crew
100% of 1 decks +100% synergy
Lightning-Rig Crew
100% of 1 decks +100% synergy
Gelectrode
100% of 1 decks +99% synergy
Ghyrson Starn, Kelermorph
100% of 1 decks +99% synergy
Unruly Catapult
100% of 1 decks +99% synergy
Chandra's Incinerator
100% of 1 decks +98% synergy
Zhur-Taa Druid
100% of 1 decks +98% synergy
Thermo-Alchemist
100% of 1 decks +97% synergy
Niv-Mizzet, the Firemind
100% of 1 decks +96% synergy
Gisela, Blade of Goldnight
100% of 1 decks +94% synergy
Birds of Paradise
100% of 2 decks +73% synergy
Palladium Myr
67% of 3 decks +65% synergy
Urza, Prince of Kroog
67% of 3 decks +64% synergy
Arsenal Thresher
50% of 2 decks +50% synergy
Xenic Poltergeist
50% of 2 decks +50% synergy
Weaver of Currents
50% of 2 decks +50% synergy
Sydri, Galvanic Genius
50% of 2 decks +50% synergy
Contraband Kingpin
50% of 2 decks +50% synergy
Tender Wildguide
50% of 2 decks +49% synergy
Cauldron Familiar
50% of 2 decks +49% synergy
Urza, Chief Artificer
50% of 2 decks +48% synergy
Sylvan Caryatid
50% of 2 decks +48% synergy
Biophagus
50% of 2 decks +48% synergy
Poison Dart Frog
50% of 2 decks +48% synergy
Ethersworn Adjudicator
50% of 2 decks +48% synergy
Paradise Druid
50% of 2 decks +48% synergy
Snapping Voidcraw
50% of 2 decks +48% synergy
Incubation Druid
50% of 2 decks +45% synergy
Kiora's Follower
50% of 2 decks +44% synergy
Arbor Elf
50% of 2 decks +44% synergy
Bloom Tender
50% of 2 decks +42% synergy
Seedborn Muse
50% of 2 decks +42% synergy
Delighted Halfling
50% of 2 decks +38% synergy
Fyndhorn Elves
50% of 2 decks +38% synergy
Baleful Strix
50% of 2 decks +37% synergy
Avacyn's Pilgrim
50% of 2 decks +36% synergy
Noble Hierarch
50% of 2 decks +34% synergy
Elvish Mystic
50% of 2 decks +33% synergy
Llanowar Elves
50% of 2 decks +29% synergy
Kenku Artificer
33% of 3 decks +33% synergy
Sage of the Unknowable
33% of 3 decks +33% synergy
Animating Faerie
33% of 3 decks +33% synergy
Instants
Ready // Willing
100% of 1 decks +99% synergy
Vitalize
100% of 2 decks +99% synergy
Behind the Mask
67% of 3 decks +67% synergy
Call to Glory
67% of 3 decks +67% synergy
Energy Arc
67% of 3 decks +66% synergy
Rally of Wings
67% of 3 decks +66% synergy
To Arms!
67% of 3 decks +66% synergy
Dramatic Reversal
67% of 3 decks +62% synergy
Dryad's Caress
50% of 2 decks +50% synergy
Haze of Pollen
50% of 2 decks +50% synergy
Respite
50% of 2 decks +50% synergy
Lull
50% of 2 decks +50% synergy
Benefactor's Draught
50% of 2 decks +50% synergy
Blessed Respite
50% of 2 decks +49% synergy
Constant Mists
50% of 2 decks +49% synergy
Peerless Recycling
50% of 2 decks +48% synergy
Fog
50% of 2 decks +47% synergy
Anguished Unmaking
50% of 2 decks +26% synergy
Pollen Lullaby
33% of 3 decks +33% synergy
Relic's Roar
33% of 3 decks +33% synergy
Argivian Find
33% of 3 decks +33% synergy
Ethereal Haze
33% of 3 decks +33% synergy
Commander's Insight
33% of 3 decks +33% synergy
Angelsong
33% of 3 decks +33% synergy
Even the Score
33% of 3 decks +33% synergy
Mandate of Peace
33% of 3 decks +33% synergy
Diviner's Portent
33% of 3 decks +33% synergy
Holy Day
33% of 3 decks +33% synergy
Transcendent Message
33% of 3 decks +33% synergy
Stroke of Genius
33% of 3 decks +32% synergy
Drown in Dreams
33% of 3 decks +32% synergy
Dawn Charm
33% of 3 decks +32% synergy
Blue Sun's Zenith
33% of 3 decks +31% synergy
Flare of Denial
33% of 3 decks +31% synergy
Pull from Tomorrow
33% of 3 decks +30% synergy
Unbreakable Formation
33% of 3 decks +27% synergy
Pact of Negation
33% of 3 decks +26% synergy
Counterspell
33% of 3 decks -9% synergy
Path to Exile
33% of 3 decks -13% synergy
Swords to Plowshares
33% of 3 decks -29% synergy
Sorceries
Marshaling the Troops
50% of 2 decks +50% synergy
Harmony of Nature
50% of 2 decks +50% synergy
Mobilize
50% of 2 decks +50% synergy
Dark Petition
50% of 2 decks +49% synergy
Explore the Underdark
50% of 2 decks +49% synergy
Open the Gates
50% of 2 decks +49% synergy
Circuitous Route
50% of 2 decks +48% synergy
Grim Tutor
50% of 2 decks +46% synergy
Vindicate
50% of 2 decks +44% synergy
Diabolic Tutor
50% of 2 decks +44% synergy
Rise and Shine
33% of 3 decks +32% synergy
Thoughtcast
33% of 3 decks +30% synergy
Dance of the Manse
33% of 3 decks +29% synergy
Farewell
33% of 3 decks +21% synergy
Supreme Verdict
33% of 3 decks +20% synergy
Utility Artifacts
Orzhov Cluestone
50% of 2 decks +49% synergy
Ashnod's Transmogrant
33% of 3 decks +33% synergy
Thran Temporal Gateway
33% of 3 decks +33% synergy
Immovable Rod
33% of 3 decks +33% synergy
Azorius Cluestone
33% of 3 decks +33% synergy
Rolling Hamsphere
33% of 3 decks +33% synergy
The Millennium Calendar
33% of 3 decks +33% synergy
Navigation Orb
33% of 3 decks +33% synergy
Witch's Oven
33% of 3 decks +33% synergy
Tamiyo's Journal
33% of 3 decks +33% synergy
Spine of Ish Sah
33% of 3 decks +33% synergy
Crawlspace
33% of 3 decks +32% synergy
Vedalken Orrery
33% of 3 decks +32% synergy
Unwinding Clock
33% of 3 decks +31% synergy
Aetherflux Reservoir
33% of 3 decks +30% synergy
Enchantments
Power of Fire
100% of 1 decks +100% synergy
Crackling Perimeter
100% of 1 decks +100% synergy
Kyren Negotiations
100% of 1 decks +100% synergy
Quicksilver Dagger
100% of 1 decks +100% synergy
Jeskai Ascendancy
100% of 1 decks +94% synergy
Quest for Renewal
50% of 2 decks +49% synergy
Psionic Gift
33% of 3 decks +33% synergy
Ensoul Artifact
33% of 3 decks +33% synergy
Hermetic Study
33% of 3 decks +33% synergy
Zoetic Glyph
33% of 3 decks +33% synergy
March of the Machines
33% of 3 decks +33% synergy
Efficient Construction
33% of 3 decks +32% synergy
Virtue of Loyalty
33% of 3 decks +31% synergy
Freed from the Real
33% of 3 decks +31% synergy
Intruder Alarm
33% of 3 decks +31% synergy
Thopter Spy Network
33% of 3 decks +30% synergy
Planeswalkers
Tezzeret, Agent of Bolas
50% of 2 decks +50% synergy
Dakkon, Shadow Slayer
50% of 2 decks +49% synergy
Gideon, Martial Paragon
33% of 3 decks +33% synergy
Jace, Ingenious Mind-Mage
33% of 3 decks +33% synergy
Tezzeret, Artifice Master
33% of 3 decks +32% synergy
Tezzeret, Betrayer of Flesh
33% of 3 decks +32% synergy
Utility Lands
The Black Gate
50% of 2 decks +47% synergy
Vault of Whispers
50% of 2 decks +46% synergy
Vault of the Archangel
50% of 2 decks +38% synergy
Foundry of the Consuls
33% of 3 decks +33% synergy
Thran Portal
33% of 3 decks +33% synergy
Maze's End
33% of 3 decks +33% synergy
Basilisk Gate
33% of 3 decks +33% synergy
Baldur's Gate
33% of 3 decks +33% synergy
Tomb of the Spirit Dragon
33% of 3 decks +32% synergy
Seat of the Synod
33% of 3 decks +27% synergy
Mana Artifacts
Obelisk of Esper
50% of 2 decks +49% synergy
Dimir Signet
50% of 2 decks +21% synergy
Darksteel Ingot
33% of 3 decks +32% synergy
Chromatic Orrery
33% of 3 decks +32% synergy
Crystal Skull, Isu Spyglass
33% of 3 decks +31% synergy
Worn Powerstone
33% of 3 decks +31% synergy
Gilded Lotus
33% of 3 decks +30% synergy
Thran Dynamo
33% of 3 decks +29% synergy
Chromatic Lantern
33% of 3 decks +24% synergy
Thought Vessel
33% of 3 decks +16% synergy
Arcane Signet
33% of 3 decks -39% synergy
Sol Ring
33% of 3 decks -51% synergy
Lands
Cliffgate
100% of 1 decks +98% synergy
Rakdos Guildgate
100% of 1 decks +96% synergy
Gruul Guildgate
100% of 1 decks +96% synergy
Boros Guildgate
100% of 1 decks +95% synergy
Izzet Guildgate
100% of 1 decks +95% synergy
Golgari Guildgate
100% of 1 decks +94% synergy
The World Tree
100% of 1 decks +68% synergy
Command Tower
67% of 3 decks -8% synergy
Black Dragon Gate
50% of 2 decks +48% synergy
Manor Gate
50% of 2 decks +48% synergy
Mistvault Bridge
50% of 2 decks +46% synergy
Orzhov Guildgate
50% of 2 decks +45% synergy
Dimir Guildgate
50% of 2 decks +45% synergy
Selesnya Guildgate
50% of 2 decks +45% synergy
Simic Guildgate
50% of 2 decks +44% synergy
Tranquil Landscape
50% of 2 decks +40% synergy
Selesnya Sanctuary
50% of 2 decks +36% synergy
Darkwater Catacombs
50% of 2 decks +35% synergy
Temple of Deceit
50% of 2 decks +34% synergy
Overgrown Farmland
50% of 2 decks +34% synergy
Brushland
50% of 2 decks +33% synergy
Simic Growth Chamber
50% of 2 decks +31% synergy
Dreamroot Cascade
50% of 2 decks +30% synergy
Bountiful Promenade
50% of 2 decks +26% synergy
Sunpetal Grove
50% of 2 decks +25% synergy
Seaside Citadel
50% of 2 decks +24% synergy
Yavimaya Coast
50% of 2 decks +23% synergy
Arcane Sanctum
50% of 2 decks +22% synergy
Rejuvenating Springs
50% of 2 decks +22% synergy
Spara's Headquarters
50% of 2 decks +20% synergy
Hinterland Harbor
50% of 2 decks +20% synergy
Temple Garden
50% of 2 decks +10% synergy
Breeding Pool
50% of 2 decks +10% synergy
Plaza of Harmony
33% of 3 decks +33% synergy
Esper Panorama
33% of 3 decks +33% synergy
Heap Gate
33% of 3 decks +33% synergy
Gateway Plaza
33% of 3 decks +33% synergy
Gond Gate
33% of 3 decks +33% synergy
Citadel Gate
33% of 3 decks +32% synergy
Sea Gate
33% of 3 decks +32% synergy
Talon Gates of Madara
33% of 3 decks +31% synergy
Azorius Guildgate
33% of 3 decks +29% synergy
Reflecting Pool
33% of 3 decks +28% synergy
Azorius Chancery
33% of 3 decks +19% synergy
Terramorphic Expanse
33% of 3 decks +18% synergy
Deserted Beach
33% of 3 decks +17% synergy
Adarkar Wastes
33% of 3 decks +14% synergy
Evolving Wilds
33% of 3 decks +12% synergy
Sea of Clouds
33% of 3 decks +7% synergy
Glacial Fortress
33% of 3 decks +5% synergy