Shalai and Hallar + Devoted Druid + Arcus Acolyte + Ozolith, the Shattered Spire

Shalai and Hallar
Devoted Druid
Arcus Acolyte
Ozolith, the Shattered Spire

Requires
Shalai and Hallar must be on the battlefield. Devoted Druid must be on the battlefield. Arcus Acolyte must be on the battlefield. Ozolith, the Shattered Spire must be on the battlefield. Devoted Druid does not have summoning sickness and does not have a -1/-1 counter on it.
Steps
  1. Activate Devoted Druid's first ability by tapping it, adding g.
  2. Activate Devoted Druid's second ability by putting a -1/-1 counter on it, untapping it.
  3. If Devoted Druid has a +1/+1 counter on it, repeat from step 1 until Devoted Druid has no +1/+1 counters.
  4. Activate Devoted Druid's outlast ability by paying g and tapping it, putting two +1/+1 counters on Devoted Druid.
  5. Shalai and Hallar triggers, dealing 2 damage to an opponent.
  6. Repeat from step 2.
Results
Infinite damage.

Top Commanders (1)
Shalai and Hallar
0.28% of 6858 decks 19 decks
High Synergy Cards (10)
All Will Be One
95% of 20 decks +86% synergy
Kami of Whispered Hopes
95% of 20 decks +84% synergy
Hardened Scales
90% of 20 decks +82% synergy
The Red Terror
80% of 20 decks +76% synergy
Conclave Mentor
80% of 20 decks +74% synergy
Heliod, Sun-Crowned
70% of 20 decks +67% synergy
Cathars' Crusade
60% of 20 decks +51% synergy
Court of Garenbrig
54% of 13 decks +50% synergy
Trelasarra, Moon Dancer
50% of 20 decks +50% synergy
War Elemental
50% of 20 decks +49% synergy
Top Cards (10)
Swords to Plowshares
75% of 20 decks +16% synergy
Worldly Tutor
60% of 20 decks +45% synergy
Rhythm of the Wild
60% of 20 decks +26% synergy
Path to Exile
55% of 20 decks +6% synergy
Scurry Oak
50% of 20 decks +48% synergy
Walking Ballista
50% of 20 decks +48% synergy
Branching Evolution
50% of 20 decks +46% synergy
Incubation Druid
50% of 20 decks +41% synergy
Delighted Halfling
50% of 18 decks +39% synergy
Eladamri's Call
50% of 20 decks +37% synergy
Creatures (50)
Ojer Axonil, Deepest Might
60% of 5 decks +59% synergy
Champion of Lambholt
50% of 20 decks +35% synergy
Ivy Lane Denizen
45% of 20 decks +43% synergy
Ajani's Pridemate
45% of 20 decks +43% synergy
Managorger Hydra
45% of 20 decks +40% synergy
Halana and Alena, Partners
45% of 20 decks +40% synergy
Gyre Sage
45% of 20 decks +37% synergy
Herd Baloth
40% of 20 decks +38% synergy
Forgotten Ancient
40% of 20 decks +34% synergy
Kutzil, Malamet Exemplar
38% of 8 decks +16% synergy
Celestial Unicorn
35% of 20 decks +35% synergy
Abzan Battle Priest
35% of 20 decks +32% synergy
Mikaeus, the Lunarch
35% of 20 decks +31% synergy
Avacyn's Pilgrim
35% of 20 decks +20% synergy
Biophagus
30% of 20 decks +28% synergy
Vigor
30% of 20 decks +27% synergy
Bright-Palm, Soul Awakener
30% of 20 decks +26% synergy
Esper Sentinel
30% of 20 decks +17% synergy
Birds of Paradise
30% of 20 decks +8% synergy
Rosie Cotton of South Lane
29% of 17 decks +24% synergy
Voice of the Blessed
25% of 20 decks +25% synergy
Archangel of Thune
25% of 20 decks +24% synergy
Emiel the Blessed
25% of 20 decks +22% synergy
Good-Fortune Unicorn
25% of 20 decks +21% synergy
Kalonian Hydra
25% of 20 decks +21% synergy
Armorcraft Judge
25% of 20 decks +20% synergy
Shalai, Voice of Plenty
25% of 20 decks +20% synergy
Rishkar, Peema Renegade
25% of 20 decks +18% synergy
Eternal Witness
25% of 20 decks +14% synergy
Llanowar Elves
25% of 20 decks +7% synergy
Sunscorch Regent
20% of 20 decks +17% synergy
Conclave Sledge-Captain
20% of 20 decks +15% synergy
Goblin Anarchomancer
20% of 20 decks +14% synergy
Bloom Tender
20% of 20 decks +10% synergy
Taurean Mauler
20% of 20 decks +9% synergy
Elvish Mystic
20% of 20 decks +5% synergy
Phyrexian Devourer
15% of 20 decks +15% synergy
Spike Feeder
15% of 20 decks +15% synergy
Steelbane Hydra
15% of 20 decks +15% synergy
Flamescroll Celebrant
15% of 20 decks +15% synergy
Dualcaster Mage
15% of 20 decks +14% synergy
Thundering Raiju
15% of 20 decks +14% synergy
Soul Warden
15% of 20 decks +14% synergy
Benevolent Hydra
15% of 20 decks +14% synergy
Prosperous Innkeeper
15% of 20 decks +14% synergy
Agitator Ant
15% of 20 decks +13% synergy
Vorinclex, Monstrous Raider
15% of 20 decks +13% synergy
Botanical Brawler
15% of 20 decks +12% synergy
Defiler of Vigor
15% of 20 decks +12% synergy
Allosaurus Shepherd
15% of 20 decks +12% synergy
Instants (18)
Enlightened Tutor
45% of 20 decks +32% synergy
Heroic Intervention
45% of 20 decks +7% synergy
Inspiring Call
35% of 20 decks +25% synergy
Snakeskin Veil
30% of 20 decks +28% synergy
Chord of Calling
30% of 20 decks +23% synergy
Silence
25% of 20 decks +21% synergy
Generous Gift
25% of 20 decks -6% synergy
Veil of Summer
20% of 20 decks +15% synergy
Stroke of Midnight
20% of 15 decks +8% synergy
Teferi's Protection
20% of 20 decks +1% synergy
Beast Within
20% of 20 decks -21% synergy
Silkguard
15% of 20 decks +13% synergy
Dromoka's Command
15% of 20 decks +12% synergy
Pyroblast
15% of 20 decks +11% synergy
Tamiyo's Safekeeping
15% of 20 decks +11% synergy
Abrade
15% of 20 decks +11% synergy
Nature's Claim
15% of 20 decks +8% synergy
Deflecting Swat
15% of 20 decks +4% synergy
Sorceries (13)
Three Visits
50% of 20 decks +20% synergy
Cultivate
45% of 20 decks -12% synergy
Nature's Lore
40% of 20 decks +2% synergy
Farseek
40% of 20 decks -11% synergy
Damning Verdict
25% of 20 decks +20% synergy
Rampant Growth
25% of 20 decks -16% synergy
Twinflame
20% of 20 decks +19% synergy
Sylvan Scrying
20% of 20 decks +18% synergy
Eldritch Evolution
20% of 20 decks +16% synergy
Gamble
15% of 20 decks +11% synergy
Finale of Devastation
15% of 20 decks +5% synergy
Rishkar's Expertise
15% of 20 decks -1% synergy
Kodama's Reach
15% of 20 decks -23% synergy
Utility Artifacts (9)
The Ozolith
40% of 20 decks +35% synergy
The Great Henge
30% of 20 decks +15% synergy
Lightning Greaves
30% of 20 decks +6% synergy
Shadowspear
25% of 20 decks +23% synergy
Basilisk Collar
25% of 20 decks +21% synergy
Swiftfoot Boots
25% of 20 decks +0% synergy
Agatha's Soul Cauldron
23% of 13 decks +22% synergy
Staff of Domination
20% of 20 decks +19% synergy
Talon of Pain
15% of 20 decks +15% synergy
Enchantments (16)
Cleric Class
45% of 20 decks +44% synergy
Uncivil Unrest
35% of 20 decks +27% synergy
Lifelink
25% of 20 decks +25% synergy
Swift Reconfiguration
25% of 20 decks +24% synergy
Keen Sense
25% of 20 decks +24% synergy
Invigorating Hot Spring
25% of 20 decks +22% synergy
Mayael's Aria
25% of 20 decks +19% synergy
Sylvan Library
25% of 20 decks +12% synergy
Felidar Retreat
25% of 20 decks +4% synergy
Virtue of Loyalty
23% of 13 decks +20% synergy
Tribute to the World Tree
20% of 20 decks +9% synergy
Light of Promise
15% of 20 decks +15% synergy
Spirit Link
15% of 20 decks +15% synergy
Snake Umbra
15% of 20 decks +12% synergy
Primal Vigor
15% of 20 decks +12% synergy
Impact Tremors
15% of 20 decks +1% synergy
Battles (1)
Invasion of Ikoria
20% of 20 decks +9% synergy
Utility Lands (10)
Karn's Bastion
45% of 20 decks +42% synergy
Gavony Township
45% of 20 decks +32% synergy
Yavimaya, Cradle of Growth
30% of 20 decks +11% synergy
Llanowar Reborn
25% of 20 decks +23% synergy
Reliquary Tower
25% of 20 decks +9% synergy
Mosswort Bridge
25% of 20 decks +6% synergy
Rogue's Passage
25% of 20 decks -0% synergy
Oran-Rief, the Vastwood
20% of 20 decks +18% synergy
Boseiju, Who Endures
20% of 20 decks +3% synergy
Witch's Clinic
15% of 20 decks +15% synergy
Mana Artifacts (5)
Sol Ring
85% of 20 decks +1% synergy
Arcane Signet
80% of 20 decks +9% synergy
Fellwar Stone
25% of 20 decks +14% synergy
Mana Crypt
20% of 20 decks +12% synergy
Commander's Sphere
20% of 20 decks +7% synergy
Lands (39)
Command Tower
90% of 20 decks -0% synergy
Temple Garden
65% of 20 decks +21% synergy
Stomping Ground
65% of 20 decks +20% synergy
Jetmir's Garden
65% of 20 decks +16% synergy
Exotic Orchard
55% of 20 decks +4% synergy
Spectator Seating
50% of 20 decks +21% synergy
Windswept Heath
45% of 20 decks +19% synergy
Arid Mesa
45% of 20 decks +17% synergy
Sacred Foundry
45% of 20 decks +5% synergy
Cinder Glade
45% of 20 decks -5% synergy
Wooded Foothills
40% of 20 decks +15% synergy
Jungle Shrine
40% of 20 decks -17% synergy
Rockfall Vale
35% of 20 decks +7% synergy
Rootbound Crag
35% of 20 decks +4% synergy
Bountiful Promenade
35% of 20 decks +3% synergy
Krosan Verge
30% of 20 decks +13% synergy
Spire Garden
30% of 20 decks -0% synergy
Sunpetal Grove
30% of 20 decks -1% synergy
Path of Ancestry
30% of 20 decks -2% synergy
Canopy Vista
30% of 20 decks -19% synergy
Mossfire Valley
25% of 20 decks +14% synergy
Sungrass Prairie
25% of 20 decks +11% synergy
Battlefield Forge
25% of 20 decks +8% synergy
Overgrown Farmland
25% of 20 decks +2% synergy
Clifftop Retreat
25% of 20 decks -6% synergy
Bretagard Stronghold
20% of 20 decks +18% synergy
Marsh Flats
20% of 20 decks +13% synergy
City of Brass
20% of 20 decks +12% synergy
Plateau
20% of 20 decks +9% synergy
Taiga
20% of 20 decks +9% synergy
Savannah
20% of 20 decks +9% synergy
Brushland
20% of 20 decks +6% synergy
Razorverge Thicket
15% of 20 decks +11% synergy
Copperline Gorge
15% of 20 decks +11% synergy
Horizon Canopy
15% of 20 decks +10% synergy
Bloodstained Mire
15% of 20 decks +10% synergy
Mana Confluence
15% of 20 decks +7% synergy
Karplusan Forest
15% of 20 decks -0% synergy
Sundown Pass
15% of 20 decks -1% synergy