Lagrella, the Magpie + Karmic Guide + Ashnod's Altar

Lagrella, the Magpie
Karmic Guide
Ashnod's Altar

Requires
Lagrella, the Magpie must be in hand, or in the command zone. Karmic Guide must be on the battlefield. Ashnod's Altar must be on the battlefield. Mana needed: plus enough mana to pay for commander tax, if applicable
Steps
  1. Cast Lagrella by paying and commander tax, if applicable.
  2. When Lagrella enters the battlefield, it triggers, exiling Karmic Guide until Lagrella leaves the battlefield.
  3. Activate Ashnod's Altar by sacrificing Lagrella, adding .
  4. If Lagrella is your commander, choose not to return it to the command zone from your graveyard.
  5. When Lagrella leaves the battlefield, Karmic Guide is returned to the battlefield from exile.
  6. When Karmic Guide enters the battlefield, it and Lagrella triggers.
  7. Resolve the Lagrella trigger, putting two +1/+1 counters on Karmic Guide.
  8. Resolve the Karmic Guide trigger, returning Lagrella from your graveyard to the battlefield.
  9. Repeat from step 2.
Results
Infinite colorless mana. Infinite death triggers. Infinite ETB. Infinite LTB. Infinite sacrifice triggers.

Lagrella, the Magpie
1.37% of 1602 decks 22 decks
Brenard, Ginger Sculptor
0.01% of 8670 decks 1 decks
Derevi, Empyrial Tactician
0.01% of 8142 decks 1 decks
Atraxa, Grand Unifier
0.01% of 14883 decks 1 decks
Mr. Foxglove
0.04% of 2657 decks 1 decks
Galadriel, Light of Valinor
0.01% of 9839 decks 1 decks
Kenrith, the Returned King
0.00% of 23015 decks 1 decks
Roon of the Hidden Realm
0.03% of 3137 decks 1 decks
High Synergy Cards
Felidar Guardian
66% of 29 decks +63% synergy
Ephemerate
66% of 29 decks +60% synergy
Coiling Oracle
66% of 29 decks +58% synergy
Abdel Adrian, Gorion's Ward
59% of 29 decks +58% synergy
Peregrine Drake
55% of 29 decks +52% synergy
Panharmonicon
55% of 29 decks +51% synergy
Eternal Witness
69% of 29 decks +49% synergy
Dour Port-Mage
50% of 10 decks +48% synergy
Fiend Hunter
48% of 29 decks +47% synergy
Sun Titan
55% of 29 decks +45% synergy
Top Cards
Swords to Plowshares
59% of 29 decks -4% synergy
Ghostly Flicker
48% of 29 decks +43% synergy
Reveillark
45% of 29 decks +43% synergy
Restoration Angel
45% of 29 decks +42% synergy
Momentary Blink
45% of 29 decks +42% synergy
Cloudshift
45% of 29 decks +42% synergy
Soulherder
45% of 29 decks +40% synergy
Yorion, Sky Nomad
41% of 29 decks +39% synergy
Eerie Interlude
41% of 29 decks +37% synergy
Mulldrifter
41% of 29 decks +36% synergy
Game Changers
Smothering Tithe
21% of 29 decks -3% synergy
Rhystic Study
21% of 29 decks -6% synergy
Cyclonic Rift
17% of 29 decks -10% synergy
Ancient Tomb
14% of 29 decks +4% synergy
Enlightened Tutor
10% of 29 decks -7% synergy
Fierce Guardianship
10% of 29 decks -8% synergy
Creatures
Clifftop Lookout
40% of 10 decks +38% synergy
Venser, Shaper Savant
38% of 29 decks +36% synergy
Solemn Simulacrum
38% of 29 decks +24% synergy
Deadeye Navigator
34% of 29 decks +32% synergy
Thassa, Deep-Dwelling
34% of 29 decks +32% synergy
Farhaven Elf
34% of 29 decks +31% synergy
Glorious Protector
31% of 29 decks +30% synergy
Charming Prince
31% of 29 decks +29% synergy
Timeless Witness
31% of 29 decks +28% synergy
Cloudblazer
31% of 29 decks +28% synergy
Emiel the Blessed
31% of 29 decks +28% synergy
Acidic Slime
31% of 29 decks +27% synergy
Spirited Companion
31% of 29 decks +27% synergy
Elesh Norn, Mother of Machines
31% of 29 decks +27% synergy
Loran of the Third Path
31% of 29 decks +25% synergy
Pond Prophet
30% of 10 decks +28% synergy
Delighted Halfling
28% of 25 decks +16% synergy
Preston, the Vanisher
28% of 29 decks +27% synergy
Wall of Omens
28% of 29 decks +25% synergy
Displacer Kitten
28% of 29 decks +22% synergy
Wood Elves
28% of 29 decks +21% synergy
Birds of Paradise
28% of 29 decks +0% synergy
Yannik, Scavenging Sentinel
24% of 29 decks +24% synergy
Flickerwisp
24% of 29 decks +22% synergy
Aether Channeler
24% of 29 decks +22% synergy
Archaeomancer
24% of 29 decks +21% synergy
Reclamation Sage
24% of 29 decks +14% synergy
Lumbering Battlement
21% of 29 decks +21% synergy
Reflector Mage
21% of 29 decks +19% synergy
Agent of Treachery
21% of 29 decks +19% synergy
Elvish Visionary
21% of 29 decks +19% synergy
Knight of Autumn
21% of 29 decks +19% synergy
Gala Greeters
21% of 29 decks +18% synergy
Noble Hierarch
21% of 29 decks +5% synergy
Werefox Bodyguard
19% of 21 decks +18% synergy
Meteor Golem
17% of 29 decks +15% synergy
Prosperous Innkeeper
17% of 29 decks +15% synergy
Brago, King Eternal
17% of 29 decks +14% synergy
Avacyn's Pilgrim
17% of 29 decks +3% synergy
Abuelo, Ancestral Echo
16% of 19 decks +14% synergy
Wormfang Drake
14% of 29 decks +14% synergy
Phantom Steed
14% of 29 decks +13% synergy
Stonehorn Dignitary
14% of 29 decks +13% synergy
Distinguished Conjurer
14% of 29 decks +13% synergy
Wall of Blossoms
14% of 29 decks +12% synergy
Eldrazi Displacer
14% of 29 decks +12% synergy
Walking Ballista
14% of 29 decks +11% synergy
Skyclave Apparition
14% of 29 decks +11% synergy
Suture Priest
14% of 29 decks +10% synergy
Champion of Lambholt
14% of 29 decks +7% synergy
Instants
Counterspell
34% of 29 decks -8% synergy
Lae'zel's Acrobatics
28% of 29 decks +26% synergy
Essence Flux
28% of 29 decks +25% synergy
Slip On the Ring
25% of 24 decks +24% synergy
Flicker of Fate
24% of 29 decks +23% synergy
Semester's End
24% of 29 decks +22% synergy
An Offer You Can't Refuse
24% of 29 decks +3% synergy
Worldly Tutor
21% of 29 decks +7% synergy
Negate
21% of 29 decks -2% synergy
Path to Exile
21% of 29 decks -26% synergy
Cosmic Intervention
17% of 29 decks +16% synergy
Displace
17% of 29 decks +16% synergy
Chord of Calling
17% of 29 decks +12% synergy
Arcane Denial
17% of 29 decks -3% synergy
Beast Within
17% of 29 decks -20% synergy
Planar Incision
14% of 29 decks +12% synergy
Eladamri's Call
14% of 29 decks +3% synergy
Dovin's Veto
14% of 29 decks -5% synergy
Generous Gift
14% of 29 decks -11% synergy
Scrollshift
11% of 28 decks +10% synergy
Justiciar's Portal
10% of 29 decks +10% synergy
Theoretical Duplication
10% of 29 decks +10% synergy
Ghostway
10% of 29 decks +9% synergy
Mystic Reflection
10% of 29 decks +9% synergy
Crop Rotation
10% of 29 decks +1% synergy
Heroic Intervention
10% of 29 decks -19% synergy
Sorceries
Cultivate
41% of 29 decks -4% synergy
Farseek
38% of 29 decks +4% synergy
Rampant Growth
31% of 29 decks -3% synergy
Another Round
21% of 14 decks +20% synergy
Against All Odds
17% of 29 decks +17% synergy
Kodama's Reach
17% of 29 decks -14% synergy
Nature's Lore
17% of 29 decks -15% synergy
Supreme Verdict
14% of 29 decks +0% synergy
Three Visits
14% of 29 decks -11% synergy
Wargate
10% of 29 decks +7% synergy
Eldritch Evolution
10% of 29 decks +6% synergy
Neoform
10% of 29 decks +5% synergy
Green Sun's Zenith
10% of 29 decks +5% synergy
Time Wipe
10% of 29 decks +4% synergy
Farewell
10% of 29 decks -3% synergy
Utility Artifacts
Altar of Dementia
31% of 29 decks +28% synergy
Conjurer's Closet
28% of 29 decks +26% synergy
Phyrexian Altar
28% of 29 decks +24% synergy
Birthing Pod
17% of 29 decks +15% synergy
Blasting Station
14% of 29 decks +13% synergy
Vedalken Orrery
14% of 29 decks +13% synergy
Sword of Hearth and Home
14% of 29 decks +12% synergy
Commander's Sphere
14% of 29 decks -1% synergy
Nim Deathmantle
10% of 29 decks +10% synergy
Altar of the Brood
10% of 29 decks +9% synergy
Strionic Resonator
10% of 29 decks +7% synergy
The Ozolith
10% of 29 decks +7% synergy
Swiftfoot Boots
10% of 29 decks -17% synergy
Enchantments
Teleportation Circle
34% of 29 decks +31% synergy
Aura Shards
24% of 29 decks +15% synergy
Guardian Project
21% of 29 decks +12% synergy
Virtue of Knowledge
19% of 21 decks +17% synergy
Candlekeep Sage
17% of 29 decks +17% synergy
Touch the Spirit Realm
17% of 29 decks +15% synergy
Leyline of Anticipation
14% of 29 decks +9% synergy
Sylvan Library
14% of 29 decks +3% synergy
Mystic Remora
14% of 29 decks -4% synergy
Angelic Renewal
10% of 29 decks +10% synergy
Blessed Sanctuary
10% of 29 decks +10% synergy
Far Traveler
10% of 29 decks +9% synergy
Oblivion Ring
10% of 29 decks +9% synergy
Battles
Invasion of Ikoria
11% of 28 decks +7% synergy
Planeswalkers
The Eternal Wanderer
10% of 29 decks +7% synergy
Utility Lands
Reliquary Tower
34% of 29 decks +5% synergy
Yavimaya, Cradle of Growth
24% of 29 decks +15% synergy
Otawara, Soaring City
21% of 29 decks +4% synergy
Alchemist's Refuge
17% of 29 decks +11% synergy
Mystic Sanctuary
14% of 29 decks +2% synergy
Boseiju, Who Endures
14% of 29 decks -5% synergy
Cephalid Coliseum
10% of 29 decks +7% synergy
Castle Vantress
10% of 29 decks +6% synergy
Urza's Saga
10% of 29 decks +3% synergy
Mana Artifacts
Arcane Signet
72% of 29 decks +0% synergy
Sol Ring
66% of 29 decks -19% synergy
Simic Signet
24% of 29 decks +10% synergy
Azorius Signet
24% of 29 decks -1% synergy
Selesnya Signet
17% of 29 decks +9% synergy
Talisman of Unity
14% of 29 decks +6% synergy
Talisman of Curiosity
10% of 29 decks -2% synergy
Thought Vessel
10% of 29 decks -7% synergy
Fellwar Stone
10% of 29 decks -11% synergy
Lands
Command Tower
90% of 29 decks +16% synergy
Exotic Orchard
52% of 29 decks +16% synergy
Temple Garden
52% of 29 decks +12% synergy
Flooded Strand
48% of 29 decks +38% synergy
Canopy Vista
48% of 29 decks +12% synergy
Spara's Headquarters
45% of 29 decks +15% synergy
Prairie Stream
45% of 29 decks +11% synergy
Hallowed Fountain
45% of 29 decks +4% synergy
Breeding Pool
41% of 29 decks +1% synergy
Windswept Heath
34% of 29 decks +24% synergy
Misty Rainforest
34% of 29 decks +23% synergy
Seaside Citadel
31% of 29 decks +5% synergy
Sea of Clouds
28% of 29 decks +2% synergy
Terramorphic Expanse
24% of 29 decks +8% synergy
Evolving Wilds
24% of 29 decks +3% synergy
Hedge Maze
22% of 18 decks +12% synergy
Path of Ancestry
21% of 29 decks -1% synergy
Bountiful Promenade
21% of 29 decks -3% synergy
Yavimaya Coast
21% of 29 decks -6% synergy
Hinterland Harbor
21% of 29 decks -8% synergy
Treva's Ruins
17% of 29 decks +16% synergy
Hengegate Pathway
17% of 29 decks +10% synergy
Branchloft Pathway
17% of 29 decks +9% synergy
Simic Growth Chamber
17% of 29 decks -3% synergy
Sunpetal Grove
17% of 29 decks -7% synergy
Glacial Fortress
17% of 29 decks -10% synergy
Rejuvenating Springs
17% of 29 decks -11% synergy
Forbidden Orchard
14% of 29 decks +11% synergy
Arctic Treeline
14% of 29 decks +11% synergy
Razorverge Thicket
14% of 29 decks +9% synergy
Radiant Grove
14% of 29 decks +9% synergy
Barkchannel Pathway
14% of 29 decks +6% synergy
Fabled Passage
14% of 29 decks +5% synergy
Marsh Flats
14% of 29 decks +3% synergy
Verdant Catacombs
14% of 29 decks +3% synergy
Savannah
14% of 29 decks +1% synergy
Selesnya Sanctuary
14% of 29 decks -0% synergy
Azorius Chancery
14% of 29 decks -1% synergy
Overgrown Farmland
14% of 29 decks -2% synergy
Brushland
14% of 29 decks -3% synergy
Temple of Enlightenment
14% of 29 decks -3% synergy
Temple of Mystery
14% of 29 decks -4% synergy
Adarkar Wastes
14% of 29 decks -5% synergy
Esper Panorama
10% of 29 decks +10% synergy
Grasslands
10% of 29 decks +10% synergy
Skybridge Towers
10% of 29 decks +9% synergy
Glacial Floodplain
10% of 29 decks +7% synergy
Idyllic Beachfront
10% of 29 decks +7% synergy
Rimewood Falls
10% of 29 decks +6% synergy
Seachrome Coast
10% of 29 decks +5% synergy