Shalai and Hallar + Devoted Druid + Arcus Acolyte + Conclave Mentor

Shalai and Hallar
Devoted Druid
Arcus Acolyte
Conclave Mentor

Requires
Shalai and Hallar must be on the battlefield. Devoted Druid must be on the battlefield. Arcus Acolyte must be on the battlefield. Conclave Mentor 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)
Kami of Whispered Hopes
92% of 25 decks +81% synergy
Hardened Scales
84% of 25 decks +75% synergy
The Red Terror
76% of 25 decks +72% synergy
All Will Be One
72% of 25 decks +64% synergy
Heliod, Sun-Crowned
64% of 25 decks +61% synergy
Forgotten Ancient
64% of 25 decks +58% synergy
Scurry Oak
52% of 25 decks +50% synergy
Mikaeus, the Lunarch
52% of 25 decks +48% synergy
Trelasarra, Moon Dancer
48% of 25 decks +48% synergy
Managorger Hydra
52% of 25 decks +47% synergy
Top Cards (10)
Swords to Plowshares
72% of 25 decks +13% synergy
Kutzil, Malamet Exemplar
67% of 12 decks +45% synergy
Path to Exile
64% of 25 decks +14% synergy
Ozolith, the Shattered Spire
64% of 25 decks +56% synergy
Cultivate
60% of 25 decks +4% synergy
Champion of Lambholt
56% of 25 decks +42% synergy
Gyre Sage
52% of 25 decks +43% synergy
Incubation Druid
52% of 25 decks +42% synergy
Inspiring Call
52% of 25 decks +42% synergy
Rhythm of the Wild
52% of 25 decks +18% synergy
Creatures (50)
Ojer Axonil, Deepest Might
50% of 8 decks +49% synergy
Ivy Lane Denizen
48% of 25 decks +46% synergy
Herd Baloth
48% of 25 decks +46% synergy
Bright-Palm, Soul Awakener
48% of 25 decks +44% synergy
Halana and Alena, Partners
48% of 25 decks +43% synergy
Ajani's Pridemate
44% of 25 decks +42% synergy
Walking Ballista
44% of 25 decks +42% synergy
Good-Fortune Unicorn
44% of 25 decks +40% synergy
Rishkar, Peema Renegade
44% of 25 decks +37% synergy
War Elemental
40% of 25 decks +39% synergy
Aragorn, Hornburg Hero
40% of 10 decks +38% synergy
Anim Pakal, Thousandth Moon
40% of 10 decks +34% synergy
Delighted Halfling
38% of 21 decks +27% synergy
Celestial Unicorn
36% of 25 decks +36% synergy
Sovereign Okinec Ahau
33% of 12 decks +26% synergy
Abzan Battle Priest
32% of 25 decks +29% synergy
Vigor
32% of 25 decks +29% synergy
Hamza, Guardian of Arashin
32% of 25 decks +28% synergy
Conclave Sledge-Captain
32% of 25 decks +27% synergy
Kalonian Hydra
28% of 25 decks +24% synergy
Armorcraft Judge
28% of 25 decks +23% synergy
Taurean Mauler
28% of 25 decks +17% synergy
Rosie Cotton of South Lane
25% of 20 decks +20% synergy
Ageless Entity
24% of 25 decks +24% synergy
Archangel of Thune
24% of 25 decks +23% synergy
Abzan Falconer
24% of 25 decks +18% synergy
Krenko, Tin Street Kingpin
24% of 25 decks +17% synergy
Avacyn's Pilgrim
24% of 25 decks +9% synergy
Voice of the Blessed
20% of 25 decks +20% synergy
Thundering Raiju
20% of 25 decks +19% synergy
Constable of the Realm
20% of 25 decks +19% synergy
Botanical Brawler
20% of 25 decks +18% synergy
Sunscorch Regent
20% of 25 decks +17% synergy
Rocco, Cabaretti Caterer
20% of 25 decks +15% synergy
Eternal Witness
20% of 25 decks +9% synergy
Esper Sentinel
20% of 25 decks +7% synergy
Birds of Paradise
20% of 25 decks -2% synergy
Spike Feeder
16% of 25 decks +16% synergy
Lathiel, the Bounteous Dawn
16% of 25 decks +16% synergy
Wildwood Scourge
16% of 25 decks +15% synergy
Enduring Scalelord
16% of 25 decks +15% synergy
Cankerbloom
16% of 25 decks +14% synergy
Grumgully, the Generous
16% of 25 decks +14% synergy
Vorinclex, Monstrous Raider
16% of 25 decks +14% synergy
Defiler of Vigor
16% of 25 decks +13% synergy
Scavenging Ooze
16% of 25 decks +13% synergy
Lae'zel, Vlaakith's Champion
16% of 25 decks +13% synergy
Evolution Sage
16% of 25 decks +12% synergy
Pridemalkin
16% of 25 decks +12% synergy
Imperial Recruiter
16% of 25 decks +12% synergy
Instants (24)
Eladamri's Call
40% of 25 decks +27% synergy
Heroic Intervention
40% of 25 decks +2% synergy
Snakeskin Veil
36% of 25 decks +34% synergy
Worldly Tutor
36% of 25 decks +21% synergy
Enlightened Tutor
32% of 25 decks +19% synergy
Generous Gift
28% of 25 decks -3% synergy
Beast Within
24% of 25 decks -16% synergy
Stroke of Midnight
17% of 18 decks +5% synergy
Take Up the Shield
16% of 25 decks +15% synergy
Invigorating Surge
16% of 25 decks +15% synergy
Silkguard
16% of 25 decks +14% synergy
Abrade
16% of 25 decks +12% synergy
Silence
16% of 25 decks +12% synergy
Chord of Calling
16% of 25 decks +9% synergy
Nature's Claim
16% of 25 decks +9% synergy
Unbreakable Formation
16% of 25 decks +7% synergy
Dromoka's Command
12% of 25 decks +9% synergy
Tamiyo's Safekeeping
12% of 25 decks +8% synergy
Veil of Summer
12% of 25 decks +7% synergy
Return to Nature
12% of 25 decks +6% synergy
Flawless Maneuver
12% of 25 decks -1% synergy
Chaos Warp
12% of 25 decks -6% synergy
Teferi's Protection
12% of 25 decks -7% synergy
Boros Charm
12% of 25 decks -19% synergy
Sorceries (14)
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
Kodama's Reach
20% of 25 decks -18% synergy
Angelfire Ignition
16% of 25 decks +15% synergy
Twinflame
16% of 25 decks +15% synergy
Gamble
16% of 25 decks +12% synergy
Visions of Dominance
12% of 25 decks +12% synergy
Thirsting Roots
12% of 25 decks +11% synergy
Eldritch Evolution
12% of 25 decks +8% synergy
Rishkar's Expertise
12% of 25 decks -4% synergy
Shamanic Revelation
12% of 25 decks -7% synergy
Utility Artifacts (7)
Swiftfoot Boots
32% of 25 decks +7% synergy
The Ozolith
28% of 25 decks +23% synergy
Basilisk Collar
20% of 25 decks +16% synergy
Staff of Domination
16% of 25 decks +15% synergy
Shadowspear
16% of 25 decks +14% synergy
The Great Henge
16% of 25 decks +1% synergy
Lightning Greaves
16% of 25 decks -8% synergy
Enchantments (22)
Court of Garenbrig
44% of 16 decks +40% synergy
Uncivil Unrest
40% of 25 decks +33% synergy
Cathars' Crusade
40% of 25 decks +31% 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
Felidar Retreat
32% of 25 decks +11% synergy
Lifelink
28% of 25 decks +28% synergy
Keen Sense
24% of 25 decks +23% synergy
Mayael's Aria
24% of 25 decks +18% synergy
Light of Promise
20% of 25 decks +20% synergy
Swift Reconfiguration
20% of 25 decks +19% synergy
Tribute to the World Tree
20% of 25 decks +9% synergy
Virtue of Loyalty
19% of 16 decks +16% synergy
Spirit Link
16% of 25 decks +16% synergy
Primal Vigor
16% of 25 decks +13% synergy
Utopia Sprawl
16% of 25 decks +9% synergy
Sylvan Library
16% of 25 decks +3% synergy
Ajani's Welcome
12% of 25 decks +11% synergy
Rite of Passage
12% of 25 decks +10% synergy
Together Forever
12% of 25 decks +9% synergy
Snake Umbra
12% of 25 decks +9% synergy
Battles (1)
Invasion of Ikoria
12% of 25 decks +2% synergy
Planeswalkers (1)
Ajani, the Greathearted
12% of 25 decks +9% synergy
Utility Lands (11)
Gavony Township
44% of 25 decks +31% synergy
Karn's Bastion
36% of 25 decks +33% synergy
Mosswort Bridge
28% of 25 decks +9% synergy
Oran-Rief, the Vastwood
24% of 25 decks +22% synergy
Llanowar Reborn
20% of 25 decks +18% synergy
Reliquary Tower
20% of 25 decks +4% synergy
Yavimaya, Cradle of Growth
20% of 25 decks +1% synergy
Rogue's Passage
20% of 25 decks -6% synergy
Boseiju, Who Endures
16% of 25 decks -1% synergy
Drannith Ruins
14% of 22 decks +12% synergy
Witch's Clinic
12% of 25 decks +12% synergy
Mana Artifacts (8)
Sol Ring
84% of 25 decks +0% synergy
Arcane Signet
80% of 25 decks +9% synergy
Commander's Sphere
24% of 25 decks +11% synergy
Fellwar Stone
20% of 25 decks +9% synergy
Selesnya Signet
16% of 25 decks +3% synergy
Mana Crypt
12% of 25 decks +4% synergy
Boros Signet
12% of 25 decks -1% synergy
Gruul Signet
12% of 25 decks -2% synergy
Lands (49)
Command Tower
92% of 25 decks +2% synergy
Exotic Orchard
52% of 25 decks +1% synergy
Temple Garden
48% of 25 decks +4% synergy
Stomping Ground
48% of 25 decks +4% synergy
Cinder Glade
48% of 25 decks -2% synergy
Jungle Shrine
48% of 25 decks -9% synergy
Canopy Vista
44% of 25 decks -5% synergy
Jetmir's Garden
44% of 25 decks -5% synergy
Captivating Cave
38% of 8 decks +36% synergy
Windswept Heath
32% of 25 decks +6% synergy
Arid Mesa
32% of 25 decks +4% synergy
Spectator Seating
32% of 25 decks +3% synergy
Sacred Foundry
32% of 25 decks -8% synergy
Mossfire Valley
28% of 25 decks +17% synergy
Sungrass Prairie
28% of 25 decks +14% synergy
Krosan Verge
28% of 25 decks +12% synergy
Wooded Foothills
28% of 25 decks +3% synergy
Rootbound Crag
28% of 25 decks -3% synergy
Evolving Wilds
28% of 25 decks -4% synergy
Path of Ancestry
28% of 25 decks -4% synergy
Bretagard Stronghold
24% of 25 decks +22% synergy
Rockfall Vale
24% of 25 decks -4% synergy
Sunpetal Grove
24% of 25 decks -7% synergy
Bountiful Promenade
24% of 25 decks -8% synergy
Furycalm Snarl
20% of 25 decks +8% synergy
Game Trail
20% of 25 decks +3% synergy
Fortified Village
20% of 25 decks +2% synergy
Spire Garden
20% of 25 decks -10% synergy
Opal Palace
16% of 25 decks +14% synergy
Marsh Flats
16% of 25 decks +9% synergy
City of Brass
16% of 25 decks +8% synergy
Temple of Abandon
16% of 25 decks +3% synergy
Temple of Plenty
16% of 25 decks +2% synergy
Brushland
16% of 25 decks +1% synergy
Temple of Triumph
16% of 25 decks +1% synergy
Karplusan Forest
16% of 25 decks +1% synergy
Battlefield Forge
16% of 25 decks -1% synergy
Overgrown Farmland
16% of 25 decks -6% synergy
Highland Forest
12% of 25 decks +9% synergy
Horizon Canopy
12% of 25 decks +7% synergy
Ash Barrens
12% of 25 decks +7% synergy
Bloodstained Mire
12% of 25 decks +7% synergy
Mana Confluence
12% of 25 decks +4% synergy
Naya Panorama
12% of 25 decks +2% synergy
Plateau
12% of 25 decks +1% synergy
Taiga
12% of 25 decks +1% synergy
Savannah
12% of 25 decks +1% synergy
Terramorphic Expanse
12% of 25 decks -12% synergy
Clifftop Retreat
12% of 25 decks -19% synergy