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. There is at least one counter on a permanent you control. You control at least one creature token.
Steps
  1. Activate Xavier Sal's first ability by tapping it and removing a counter from a permanent you control, creating a copy of any 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 +1/+1 counter on it.
  5. Repeat.
Results
Infinite creature tokens. Infinite ETB. Infinite mana creatures you control can produce. Infinite untap of all creatures.

Xavier Sal, Infested Captain
0.37% of 2993 decks 11 decks
High Synergy Cards (10)
Champion of Lambholt
55% of 11 decks +52% synergy
Quasiduplicate
45% of 11 decks +45% synergy
Cackling Counterpart
45% of 11 decks +44% synergy
Master Biomancer
45% of 11 decks +41% synergy
Woodland Champion
36% of 11 decks +36% synergy
Theoretical Duplication
36% of 11 decks +36% synergy
Repudiate // Replicate
36% of 11 decks +36% synergy
Adrix and Nev, Twincasters
36% of 11 decks +34% synergy
Ezuri, Stalker of Spheres
36% of 11 decks +31% synergy
Kiora's Follower
36% of 11 decks +31% synergy
Top Cards (9)
Farseek
45% of 11 decks +6% synergy
Freed from the Real
36% of 11 decks +29% synergy
Tyvar, Jubilant Brawler
36% of 11 decks +28% synergy
Kami of Whispered Hopes
36% of 11 decks +27% synergy
Beast Within
36% of 11 decks +2% synergy
Idol of Oblivion
36% of 11 decks +36% synergy
Mimic Vat
36% of 11 decks +35% synergy
Mirror Box
36% of 11 decks +35% synergy
Patriar's Seal
36% of 11 decks +35% synergy
Creatures (15)
Grismold, the Dreadsower
27% of 11 decks +27% synergy
Thelon of Havenwood
27% of 11 decks +27% synergy
Thallid Shell-Dweller
27% of 11 decks +27% synergy
Sporesower Thallid
27% of 11 decks +27% synergy
Esix, Fractal Bloom
27% of 11 decks +27% synergy
Deathspore Thallid
27% of 11 decks +27% synergy
Gala Greeters
27% of 11 decks +26% synergy
Mycoloth
27% of 11 decks +26% synergy
Devoted Druid
27% of 11 decks +25% synergy
Fertilid
27% of 11 decks +25% synergy
Gruff Triplets
27% of 11 decks +24% synergy
Chasm Skulker
27% of 11 decks +24% synergy
Fathom Mage
27% of 11 decks +23% synergy
Glen Elendra Archmage
27% of 11 decks +21% synergy
Cankerbloom
27% of 11 decks +16% synergy
Instants (2)
See Double
27% of 11 decks +26% synergy
Heroic Intervention
27% of 11 decks +7% synergy
Sorceries (5)
Self-Reflection
30% of 10 decks +30% synergy
Mirage Mockery
27% of 11 decks +27% synergy
Irenicus's Vile Duplication
27% of 11 decks +25% synergy
Nature's Lore
27% of 11 decks -0% synergy
Rampant Growth
27% of 11 decks -7% synergy
Utility Artifacts (2)
Lightning Greaves
27% of 11 decks +2% synergy
Swiftfoot Boots
27% of 11 decks +2% synergy
Enchantments (2)
City of Death
27% of 11 decks +26% synergy
Primal Vigor
27% of 11 decks +25% synergy
Planeswalkers (1)
Garruk, Cursed Huntsman
27% of 11 decks +26% synergy
Utility Lands (2)
Hidden Nursery
30% of 10 decks +29% synergy
Llanowar Reborn
27% of 11 decks +26% synergy
Mana Artifacts (3)
Arcane Signet
55% of 11 decks -13% synergy
Sol Ring
45% of 11 decks -37% synergy
Fellwar Stone
27% of 11 decks +14% synergy
Lands (14)
Command Tower
91% of 11 decks +2% synergy
Exotic Orchard
55% of 11 decks +3% synergy
Sunken Hollow
45% of 11 decks +13% synergy
Overgrown Tomb
36% of 11 decks -11% synergy
Opulent Palace
36% of 11 decks -13% synergy
Littjara Mirrorlake
36% of 11 decks +35% synergy
Underground River
27% of 11 decks +12% synergy
Terramorphic Expanse
27% of 11 decks +3% synergy
Woodland Cemetery
27% of 11 decks -5% synergy
Undergrowth Stadium
27% of 11 decks -6% synergy
Hinterland Harbor
27% of 11 decks -6% synergy
Rejuvenating Springs
27% of 11 decks -7% synergy
Watery Grave
27% of 11 decks -18% synergy
Breeding Pool
27% of 11 decks -18% synergy