Xavier Sal, Infested Captain + Intruder Alarm + Cloakwood Swarmkeeper

Xavier Sal, Infested Captain
Intruder Alarm
Cloakwood Swarmkeeper

Requires
Xavier Sal, Infested Captain must be on the battlefield. Intruder Alarm must be on the battlefield. Cloakwood Swarmkeeper must be on the battlefield. You control at least one creature token. Xavier Sal does not have summoning sickness. There is a removable counter on a permanent you control.
Steps
  1. Activate Xavier Sal by tapping it and removing a counter from a permanent you control, creating a copy of a creature token you control.
  2. When the creature token enters the battlefield, Intruder Alarm and Cloakwood Swarmkeeper trigger.
  3. Resolve the Intruder Alarm trigger, untapping all creatures.
  4. Resolve the Cloakwood Swarmkeeper trigger, putting a counter on it.
  5. Repeat.
Results
Infinite creature tokens. Infinite ETB. Infinite mana creatures you control can produce. Infinite untap of all creatures. Infinite copies of creature tokens you control.

Xavier Sal, Infested Captain
0.50% of 4836 decks 24 decks
New Cards
Marvin, Murderous Mimic
60% of 5 decks +57% synergy
High Synergy Cards
Basking Broodscale
62% of 13 decks +58% synergy
Ezuri, Stalker of Spheres
54% of 24 decks +49% synergy
Rootcast Apprenticeship
50% of 8 decks +48% synergy
Master Biomancer
50% of 24 decks +45% synergy
Kiora's Follower
46% of 24 decks +40% synergy
Dreamtide Whale
46% of 13 decks +39% synergy
Mirkwood Bats
38% of 24 decks +34% synergy
Master Chef
33% of 24 decks +32% synergy
Tekuthal, Inquiry Dominus
38% of 24 decks +32% synergy
Cankerbloom
42% of 24 decks +32% synergy
Top Cards
Everflowing Chalice
46% of 24 decks +42% synergy
Farseek
42% of 24 decks +1% synergy
Atomize
40% of 15 decks +23% synergy
Evolution Witness
38% of 13 decks +30% synergy
Tyvar, Jubilant Brawler
38% of 24 decks +30% synergy
Evolution Sage
38% of 24 decks +28% synergy
Beast Within
38% of 24 decks +5% synergy
Innkeeper's Talent
36% of 11 decks +26% synergy
Adrix and Nev, Twincasters
33% of 24 decks +31% synergy
Devoted Druid
33% of 24 decks +31% synergy
Creatures
Kami of Whispered Hopes
33% of 24 decks +25% synergy
Winding Constrictor
33% of 24 decks +24% synergy
Deathspore Thallid
29% of 24 decks +28% synergy
Mycoloth
29% of 24 decks +28% synergy
Champion of Lambholt
29% of 24 decks +27% synergy
Ulamog's Dreadsire
25% of 12 decks +25% synergy
Thelon of Havenwood
25% of 24 decks +25% synergy
Thallid Shell-Dweller
25% of 24 decks +24% synergy
Sporesower Thallid
25% of 24 decks +24% synergy
Scurry Oak
25% of 24 decks +24% synergy
Pitiless Plunderer
25% of 24 decks +23% synergy
Gruff Triplets
25% of 24 decks +23% synergy
Sharp-Eyed Rookie
24% of 17 decks +23% synergy
Railway Brawler
21% of 14 decks +19% synergy
Bloodspore Thrinax
21% of 24 decks +21% synergy
Thallid Germinator
21% of 24 decks +20% synergy
Vitaspore Thallid
21% of 24 decks +20% synergy
Sporoloth Ancient
21% of 24 decks +20% synergy
Psychotrope Thallid
21% of 24 decks +20% synergy
Utopia Mycon
21% of 24 decks +20% synergy
Renata, Called to the Hunt
21% of 24 decks +20% synergy
Fertilid
21% of 24 decks +19% synergy
Fathom Mage
21% of 24 decks +16% synergy
Woodland Champion
17% of 24 decks +17% synergy
Gala Greeters
17% of 24 decks +16% synergy
Thallid
17% of 24 decks +16% synergy
Slimefoot, the Stowaway
17% of 24 decks +16% synergy
Herd Baloth
17% of 24 decks +16% synergy
Flux Channeler
17% of 24 decks +13% synergy
Hyrax Tower Scout
12% of 24 decks +12% synergy
Grismold, the Dreadsower
12% of 24 decks +12% synergy
Undercellar Myconid
12% of 24 decks +12% synergy
Sporecrown Thallid
12% of 24 decks +12% synergy
Spore Flower
12% of 24 decks +12% synergy
Savage Thallid
12% of 24 decks +12% synergy
Esix, Fractal Bloom
12% of 24 decks +12% synergy
Armored Scrapgorger
12% of 24 decks +12% synergy
Venser, Corpse Puppet
12% of 24 decks +12% synergy
Ioreth of the Healing House
12% of 24 decks +12% synergy
Bramble Sovereign
12% of 24 decks +12% synergy
Experiment Kraj
12% of 24 decks +11% synergy
Uchuulon
12% of 24 decks +11% synergy
Arwen, Weaver of Hope
12% of 24 decks +11% synergy
Tendershoot Dryad
12% of 24 decks +11% synergy
Yawgmoth, Thran Physician
12% of 24 decks +11% synergy
Viscera Seer
12% of 24 decks +10% synergy
Chasm Skulker
12% of 24 decks +9% synergy
Gyre Sage
12% of 24 decks +8% synergy
Vorinclex, Monstrous Raider
12% of 24 decks +7% synergy
Hullbreaker Horror
12% of 24 decks +7% synergy
Instants
Assassin's Trophy
33% of 24 decks -2% synergy
Counterspell
33% of 24 decks -3% synergy
Ripples of Potential
26% of 23 decks +20% synergy
Negate
25% of 24 decks +7% synergy
Theoretical Duplication
21% of 24 decks +20% synergy
Druid's Deliverance
21% of 24 decks +20% synergy
Cackling Counterpart
21% of 24 decks +20% synergy
Prologue to Phyresis
21% of 24 decks +19% synergy
Heroic Intervention
21% of 24 decks +0% synergy
See Double
17% of 24 decks +15% synergy
Experimental Augury
17% of 24 decks +13% synergy
Abrupt Decay
17% of 24 decks +5% synergy
Second Harvest
12% of 24 decks +12% synergy
Tear Asunder
12% of 24 decks +6% synergy
Arcane Denial
12% of 24 decks -1% synergy
Growth Spiral
12% of 24 decks -7% synergy
Putrefy
12% of 24 decks -11% synergy
Sorceries
Unnatural Restoration
33% of 24 decks +28% synergy
Cultivate
29% of 24 decks -15% synergy
Quasiduplicate
25% of 24 decks +24% synergy
Tezzeret's Gambit
25% of 24 decks +20% synergy
Nature's Lore
25% of 24 decks -3% synergy
Rampant Growth
25% of 24 decks -10% synergy
Doppelgang
24% of 17 decks +19% synergy
Repudiate // Replicate
21% of 24 decks +20% synergy
Irenicus's Vile Duplication
21% of 24 decks +19% synergy
Audience with Trostani
19% of 16 decks +19% synergy
Drown in Ichor
17% of 24 decks +14% synergy
Self-Reflection
13% of 23 decks +13% synergy
Mirage Mockery
12% of 24 decks +12% synergy
Spitting Image
12% of 24 decks +12% synergy
Shamanic Revelation
12% of 24 decks +12% synergy
Croaking Counterpart
12% of 24 decks +10% synergy
Thirsting Roots
12% of 24 decks +10% synergy
Toxic Deluge
12% of 24 decks -7% synergy
Utility Artifacts
Swiftfoot Boots
33% of 24 decks +8% synergy
Lightning Greaves
25% of 24 decks +1% synergy
Animation Module
21% of 24 decks +21% synergy
Idol of Oblivion
21% of 24 decks +20% synergy
Thornbite Staff
21% of 24 decks +20% synergy
Mirror Box
17% of 24 decks +16% synergy
Mimic Vat
17% of 24 decks +16% synergy
Skullclamp
17% of 24 decks +13% synergy
Ashnod's Altar
17% of 24 decks +12% synergy
Ghost Lantern
12% of 24 decks +12% synergy
Illusionist's Bracers
12% of 24 decks +12% synergy
Enchantments
Freed from the Real
33% of 24 decks +27% synergy
City of Death
25% of 24 decks +24% synergy
Tribute to the World Tree
25% of 24 decks +20% synergy
Aura of Dominion
21% of 24 decks +21% synergy
Primal Vigor
21% of 24 decks +19% synergy
Doubling Season
21% of 24 decks +14% synergy
Insidious Roots
19% of 16 decks +15% synergy
Promise of Aclazotz
17% of 23 decks +17% synergy
Moldervine Reclamation
17% of 24 decks +14% synergy
Pemmin's Aura
17% of 24 decks +13% synergy
Hardened Scales
17% of 24 decks +6% synergy
Sadistic Glee
12% of 24 decks +12% synergy
Saproling Burst
12% of 24 decks +12% synergy
The Huntsman's Redemption
12% of 24 decks +12% synergy
Kiora Bests the Sea God
12% of 24 decks +12% synergy
As Foretold
12% of 24 decks +12% synergy
Binding the Old Gods
12% of 24 decks +8% synergy
Inexorable Tide
12% of 24 decks +4% synergy
Mystic Remora
12% of 24 decks -7% synergy
Planeswalkers
Garruk, Cursed Huntsman
25% of 24 decks +24% synergy
Vraska, Betrayal's Sting
21% of 24 decks +16% synergy
Nissa, Voice of Zendikar
12% of 24 decks +12% synergy
Kiora, Master of the Depths
12% of 24 decks +11% synergy
Utility Lands
Reliquary Tower
38% of 24 decks +6% synergy
Nesting Grounds
29% of 24 decks +23% synergy
Karn's Bastion
21% of 24 decks +12% synergy
Bojuka Bog
21% of 24 decks -6% synergy
Llanowar Reborn
17% of 24 decks +15% synergy
Boseiju, Who Endures
17% of 24 decks -5% synergy
Hidden Nursery
13% of 23 decks +12% synergy
Dreadship Reef
12% of 24 decks +12% synergy
Oran-Rief, the Vastwood
12% of 24 decks +10% synergy
Minamo, School at Water's Edge
12% of 24 decks +9% synergy
Dark Depths
12% of 24 decks +8% synergy
Takenuma, Abandoned Mire
12% of 24 decks +1% synergy
Otawara, Soaring City
12% of 24 decks -4% synergy
Mana Artifacts
Arcane Signet
71% of 24 decks +1% synergy
Sol Ring
67% of 24 decks -15% synergy
Patriar's Seal
29% of 24 decks +28% synergy
Astral Cornucopia
25% of 24 decks +22% synergy
Fellwar Stone
25% of 24 decks +11% synergy
Replicating Ring
21% of 24 decks +17% synergy
Pentad Prism
12% of 24 decks +12% synergy
Lands
Command Tower
96% of 24 decks +6% synergy
Opulent Palace
50% of 24 decks -0% synergy
Exotic Orchard
50% of 24 decks -3% synergy
Sunken Hollow
46% of 24 decks +12% synergy
Woodland Cemetery
42% of 24 decks +5% synergy
Foreboding Landscape
38% of 13 decks +8% synergy
Path of Ancestry
38% of 24 decks +19% synergy
Dimir Aqueduct
33% of 24 decks +12% synergy
Undergrowth Stadium
33% of 24 decks +1% synergy
Hinterland Harbor
33% of 24 decks -4% synergy
Dreamroot Cascade
29% of 24 decks +8% synergy
Simic Growth Chamber
29% of 24 decks +6% synergy
Watery Grave
29% of 24 decks -15% synergy
Temple of Deceit
25% of 24 decks +8% synergy
Temple of Malady
25% of 24 decks +5% synergy
Temple of Mystery
25% of 24 decks +5% synergy
Golgari Rot Farm
25% of 24 decks +3% synergy
Llanowar Wastes
25% of 24 decks -4% synergy
Evolving Wilds
25% of 24 decks -5% synergy
Yavimaya Coast
25% of 24 decks -5% synergy
Rejuvenating Springs
25% of 24 decks -9% synergy
Zagoth Triome
25% of 24 decks -17% synergy
Breeding Pool
25% of 24 decks -20% synergy
Overgrown Tomb
25% of 24 decks -22% synergy
Shipwreck Marsh
21% of 24 decks +5% synergy
Littjara Mirrorlake
17% of 24 decks +15% synergy
Tainted Isle
17% of 24 decks +9% synergy
Underground River
17% of 24 decks +0% synergy
Morphic Pool
17% of 24 decks -10% synergy
Drowned Catacomb
17% of 24 decks -14% synergy
Vivid Grove
12% of 24 decks +12% synergy
Necroblossom Snarl
12% of 24 decks +8% synergy
Tainted Wood
12% of 24 decks +3% synergy
Flooded Grove
12% of 24 decks +2% synergy
Fabled Passage
12% of 24 decks -2% synergy
Terramorphic Expanse
12% of 24 decks -11% synergy
Verdant Catacombs
12% of 24 decks -22% synergy