Shalai and Hallar + Devoted Druid + Arcus Acolyte + Hardened Scales

Shalai and Hallar
Devoted Druid
Arcus Acolyte
Hardened Scales

Requires
Shalai and Hallar must be on the battlefield. Devoted Druid must be on the battlefield. Arcus Acolyte must be on the battlefield. Hardened Scales 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
0.33% of 7211 decks 24 decks
High Synergy Cards (10)
The Red Terror
84% of 25 decks +80% synergy
Conclave Mentor
84% of 25 decks +77% synergy
Kami of Whispered Hopes
88% of 25 decks +77% synergy
All Will Be One
80% of 25 decks +72% synergy
Heliod, Sun-Crowned
68% of 25 decks +65% synergy
Scurry Oak
56% of 25 decks +54% synergy
Ivy Lane Denizen
52% of 25 decks +50% synergy
Kutzil, Malamet Exemplar
70% of 10 decks +48% synergy
Trelasarra, Moon Dancer
48% of 25 decks +48% synergy
Forgotten Ancient
52% of 25 decks +46% synergy
Top Cards (10)
Ozolith, the Shattered Spire
72% of 25 decks +64% synergy
Swords to Plowshares
68% of 25 decks +9% synergy
Path to Exile
64% of 25 decks +14% synergy
Ojer Axonil, Deepest Might
57% of 7 decks +56% synergy
Rhythm of the Wild
56% of 25 decks +22% synergy
Incubation Druid
52% of 25 decks +42% synergy
Eladamri's Call
52% of 25 decks +39% synergy
Walking Ballista
52% of 25 decks +50% synergy
Court of Garenbrig
50% of 16 decks +46% synergy
Gyre Sage
48% of 25 decks +39% synergy
Creatures (50)
Delighted Halfling
48% of 21 decks +37% synergy
War Elemental
44% of 25 decks +43% synergy
Champion of Lambholt
44% of 25 decks +30% synergy
Ajani's Pridemate
40% of 25 decks +38% synergy
Herd Baloth
40% of 25 decks +38% synergy
Good-Fortune Unicorn
40% of 25 decks +36% synergy
Mikaeus, the Lunarch
40% of 25 decks +36% synergy
Managorger Hydra
40% of 25 decks +35% synergy
Halana and Alena, Partners
40% of 25 decks +35% synergy
Aragorn, Hornburg Hero
38% of 8 decks +35% synergy
Rishkar, Peema Renegade
36% of 25 decks +29% synergy
Bright-Palm, Soul Awakener
32% of 25 decks +28% synergy
Avacyn's Pilgrim
32% of 25 decks +17% synergy
Sovereign Okinec Ahau
30% of 10 decks +23% synergy
Celestial Unicorn
28% of 25 decks +28% synergy
Archangel of Thune
28% of 25 decks +27% synergy
Vigor
28% of 25 decks +25% synergy
Esper Sentinel
28% of 25 decks +15% synergy
Llanowar Elves
28% of 25 decks +10% synergy
Birds of Paradise
28% of 25 decks +6% synergy
Rosie Cotton of South Lane
25% of 20 decks +20% synergy
Abzan Battle Priest
24% of 25 decks +21% synergy
Hamza, Guardian of Arashin
24% of 25 decks +20% synergy
Armorcraft Judge
24% of 25 decks +19% synergy
Conclave Sledge-Captain
24% of 25 decks +19% synergy
Shalai, Voice of Plenty
24% of 25 decks +19% synergy
Eternal Witness
24% of 25 decks +13% synergy
Elvish Mystic
24% of 25 decks +9% synergy
Voice of the Blessed
20% of 25 decks +20% synergy
Spike Feeder
20% of 25 decks +20% synergy
Thundering Raiju
20% of 25 decks +19% synergy
Biophagus
20% of 25 decks +18% synergy
Imperial Recruiter
20% of 25 decks +16% synergy
Bloom Tender
20% of 25 decks +10% synergy
Wildwood Scourge
16% of 25 decks +15% synergy
Enduring Scalelord
16% of 25 decks +15% synergy
Constable of the Realm
16% of 25 decks +15% synergy
Soul Warden
16% of 25 decks +15% synergy
Grumgully, the Generous
16% of 25 decks +14% synergy
Vorinclex, Monstrous Raider
16% of 25 decks +14% synergy
Botanical Brawler
16% of 25 decks +14% synergy
Defiler of Vigor
16% of 25 decks +13% synergy
Sunscorch Regent
16% of 25 decks +13% synergy
Emiel the Blessed
16% of 25 decks +13% synergy
Allosaurus Shepherd
16% of 25 decks +13% synergy
Kalonian Hydra
16% of 25 decks +12% synergy
Pridemalkin
16% of 25 decks +12% synergy
Rocco, Cabaretti Caterer
16% of 25 decks +11% synergy
Grand Abolisher
16% of 25 decks +11% synergy
Abzan Falconer
16% of 25 decks +10% synergy
Instants (25)
Worldly Tutor
48% of 25 decks +33% synergy
Inspiring Call
44% of 25 decks +34% synergy
Enlightened Tutor
40% of 25 decks +27% synergy
Heroic Intervention
40% of 25 decks +2% synergy
Snakeskin Veil
32% of 25 decks +30% synergy
Beast Within
28% of 25 decks -12% synergy
Silence
24% of 25 decks +20% synergy
Chord of Calling
24% of 25 decks +17% synergy
Generous Gift
24% of 25 decks -7% synergy
Abrade
20% of 25 decks +16% synergy
Stroke of Midnight
17% of 18 decks +5% synergy
Invigorating Surge
16% of 25 decks +15% synergy
Silkguard
16% of 25 decks +14% synergy
Dromoka's Command
16% of 25 decks +13% synergy
Veil of Summer
16% of 25 decks +11% synergy
Nature's Claim
16% of 25 decks +9% synergy
Deflecting Swat
16% of 25 decks +5% synergy
Flawless Maneuver
16% of 25 decks +3% synergy
Teferi's Protection
16% of 25 decks -3% synergy
Pyroblast
12% of 25 decks +8% synergy
Tamiyo's Safekeeping
12% of 25 decks +8% synergy
Return to Nature
12% of 25 decks +6% synergy
Unbreakable Formation
12% of 25 decks +3% synergy
Chaos Warp
12% of 25 decks -6% synergy
Boros Charm
12% of 25 decks -19% synergy
Sorceries (18)
Cultivate
48% of 25 decks -8% synergy
Three Visits
40% of 25 decks +11% synergy
Farseek
40% of 25 decks -10% synergy
Nature's Lore
36% of 25 decks -2% synergy
Damning Verdict
24% of 25 decks +19% synergy
Rampant Growth
24% of 25 decks -17% synergy
Twinflame
20% of 25 decks +19% synergy
Eldritch Evolution
20% of 25 decks +16% synergy
Gamble
16% of 25 decks +12% synergy
Kodama's Reach
16% of 25 decks -22% synergy
Angelfire Ignition
12% of 25 decks +11% synergy
Thirsting Roots
12% of 25 decks +11% synergy
Time of Need
12% of 25 decks +11% synergy
Sylvan Scrying
12% of 25 decks +10% synergy
Jeska's Will
12% of 25 decks +5% synergy
Finale of Devastation
12% of 25 decks +2% synergy
Rishkar's Expertise
12% of 25 decks -4% synergy
Shamanic Revelation
12% of 25 decks -7% synergy
Utility Artifacts (9)
The Ozolith
28% of 25 decks +23% synergy
Swiftfoot Boots
28% of 25 decks +3% synergy
Shadowspear
24% of 25 decks +22% synergy
Lightning Greaves
24% of 25 decks +0% synergy
Staff of Domination
20% of 25 decks +19% synergy
Basilisk Collar
20% of 25 decks +16% synergy
The Great Henge
20% of 25 decks +5% synergy
Animation Module
12% of 25 decks +12% synergy
Ashnod's Altar
12% of 25 decks +5% synergy
Enchantments (17)
Cathars' Crusade
44% of 25 decks +35% synergy
Cleric Class
36% of 25 decks +35% synergy
Invigorating Hot Spring
32% of 25 decks +29% synergy
Branching Evolution
32% of 25 decks +28% synergy
Uncivil Unrest
28% of 25 decks +21% synergy
Lifelink
24% of 25 decks +24% synergy
Swift Reconfiguration
24% of 25 decks +23% synergy
Mayael's Aria
24% of 25 decks +18% synergy
Sylvan Library
24% of 25 decks +11% synergy
Felidar Retreat
24% of 25 decks +3% synergy
Tribute to the World Tree
20% of 25 decks +9% synergy
Ajani's Welcome
16% of 25 decks +15% synergy
Keen Sense
16% of 25 decks +15% synergy
Primal Vigor
16% of 25 decks +13% synergy
Rite of Passage
12% of 25 decks +10% synergy
Snake Umbra
12% of 25 decks +9% synergy
Utopia Sprawl
12% of 25 decks +5% synergy
Battles (1)
Invasion of Ikoria
16% of 25 decks +6% synergy
Utility Lands (13)
Gavony Township
36% of 25 decks +23% synergy
Karn's Bastion
28% of 25 decks +25% synergy
Yavimaya, Cradle of Growth
28% of 25 decks +9% synergy
Reliquary Tower
24% of 25 decks +8% synergy
Boseiju, Who Endures
24% of 25 decks +7% synergy
Oran-Rief, the Vastwood
20% of 25 decks +18% synergy
Rogue's Passage
20% of 25 decks -6% synergy
Llanowar Reborn
16% of 25 decks +14% synergy
Mosswort Bridge
16% of 25 decks -3% synergy
Drannith Ruins
14% of 22 decks +12% synergy
Urza's Saga
12% of 25 decks +9% synergy
Gaea's Cradle
12% of 25 decks +6% synergy
Ancient Tomb
12% of 25 decks +4% synergy
Mana Artifacts (10)
Arcane Signet
84% of 25 decks +13% synergy
Sol Ring
84% of 25 decks +0% synergy
Fellwar Stone
28% of 25 decks +17% synergy
Mana Crypt
20% of 25 decks +12% synergy
Commander's Sphere
20% of 25 decks +7% synergy
Selesnya Signet
20% of 25 decks +7% synergy
Boros Signet
16% of 25 decks +3% synergy
Gruul Signet
16% of 25 decks +2% synergy
Mind Stone
12% of 25 decks +9% synergy
Chrome Mox
12% of 25 decks +8% synergy
Lands (47)
Command Tower
92% of 25 decks +2% synergy
Temple Garden
56% of 25 decks +12% synergy
Stomping Ground
56% of 25 decks +12% synergy
Jetmir's Garden
48% of 25 decks -1% synergy
Exotic Orchard
48% of 25 decks -3% synergy
Windswept Heath
44% of 25 decks +18% synergy
Arid Mesa
40% of 25 decks +12% synergy
Spectator Seating
40% of 25 decks +11% synergy
Sacred Foundry
40% of 25 decks +0% synergy
Wooded Foothills
36% of 25 decks +11% synergy
Cinder Glade
36% of 25 decks -14% synergy
Jungle Shrine
32% of 25 decks -25% synergy
Spire Garden
28% of 25 decks -2% synergy
Rootbound Crag
28% of 25 decks -3% synergy
Bountiful Promenade
28% of 25 decks -4% synergy
Canopy Vista
28% of 25 decks -21% synergy
Mossfire Valley
24% of 25 decks +13% synergy
Sungrass Prairie
24% of 25 decks +10% synergy
Sunpetal Grove
24% of 25 decks -7% synergy
Path of Ancestry
24% of 25 decks -8% synergy
Plateau
20% of 25 decks +9% synergy
Taiga
20% of 25 decks +9% synergy
Savannah
20% of 25 decks +9% synergy
Brushland
20% of 25 decks +5% synergy
Overgrown Farmland
20% of 25 decks -2% synergy
Rockfall Vale
20% of 25 decks -8% synergy
Clifftop Retreat
20% of 25 decks -11% synergy
Evolving Wilds
20% of 25 decks -12% synergy
Bretagard Stronghold
16% of 25 decks +14% synergy
Karplusan Forest
16% of 25 decks +1% synergy
Krosan Verge
16% of 25 decks -0% synergy
Battlefield Forge
16% of 25 decks -1% synergy
Opal Palace
12% of 25 decks +10% synergy
Horizon Canopy
12% of 25 decks +7% synergy
Bloodstained Mire
12% of 25 decks +7% synergy
Rugged Highlands
12% of 25 decks +5% synergy
Marsh Flats
12% of 25 decks +5% synergy
Rugged Prairie
12% of 25 decks +5% synergy
Verdant Catacombs
12% of 25 decks +5% synergy
Misty Rainforest
12% of 25 decks +5% synergy
City of Brass
12% of 25 decks +4% synergy
Naya Panorama
12% of 25 decks +2% synergy
Furycalm Snarl
12% of 25 decks +0% synergy
Temple of Abandon
12% of 25 decks -1% synergy
Sundown Pass
12% of 25 decks -4% synergy
Fortified Village
12% of 25 decks -6% synergy
Terramorphic Expanse
12% of 25 decks -12% synergy