Lagrella, the Magpie + Sun Titan + Ashnod's Altar

Lagrella, the Magpie
Sun Titan
Ashnod's Altar

Requires
Lagrella, the Magpie must be in hand, or in the command zone. Sun Titan 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 Sun Titan 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, Sun Titan is returned to the battlefield from exile.
  6. When Sun Titan enters the battlefield, it and Lagrella triggers.
  7. Resolve the Lagrella trigger, putting two +1/+1 counters on Sun Titan.
  8. Resolve the Sun Titan 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
0.93% of 1608 decks 15 decks
Brenard, Ginger Sculptor
0.06% of 7776 decks 5 decks
Kenrith, the Returned King
0.01% of 21730 decks 2 decks
Amareth, the Lustrous
0.07% of 1392 decks 1 decks
Derevi, Empyrial Tactician
0.01% of 7576 decks 1 decks
Atraxa, Grand Unifier
0.01% of 14631 decks 1 decks
Omnath, Locus of Creation
0.01% of 13647 decks 1 decks
Roon of the Hidden Realm
0.03% of 3188 decks 1 decks
High Synergy Cards
Karmic Guide
74% of 27 decks +70% synergy
Ephemerate
70% of 27 decks +65% synergy
Coiling Oracle
59% of 27 decks +52% synergy
Mulldrifter
56% of 27 decks +50% synergy
Fiend Hunter
48% of 27 decks +47% synergy
Peregrine Drake
48% of 27 decks +45% synergy
Panharmonicon
48% of 27 decks +44% synergy
Aether Channeler
46% of 24 decks +44% synergy
Felidar Guardian
44% of 27 decks +42% synergy
Cloudshift
44% of 27 decks +41% synergy
Top Cards
Eternal Witness
56% of 27 decks +35% synergy
Cultivate
48% of 27 decks +2% synergy
Swords to Plowshares
48% of 27 decks -15% synergy
Solemn Simulacrum
44% of 27 decks +30% synergy
Abdel Adrian, Gorion's Ward
42% of 26 decks +41% synergy
Elesh Norn, Mother of Machines
40% of 20 decks +35% synergy
Restoration Angel
37% of 27 decks +35% synergy
Momentary Blink
37% of 27 decks +34% synergy
Emiel the Blessed
37% of 27 decks +34% synergy
Ghostly Flicker
37% of 27 decks +32% synergy
Creatures
Dockside Extortionist
100% of 3 decks +88% synergy
Clifftop Lookout
75% of 4 decks +72% synergy
Pond Prophet
75% of 4 decks +72% synergy
Dour Port-Mage
75% of 4 decks +70% synergy
Soulherder
37% of 27 decks +32% synergy
Agent of Treachery
33% of 27 decks +31% synergy
Venser, Shaper Savant
33% of 27 decks +31% synergy
Yorion, Sky Nomad
33% of 27 decks +31% synergy
Timeless Witness
33% of 27 decks +30% synergy
Farhaven Elf
33% of 27 decks +30% synergy
Wood Elves
33% of 27 decks +27% synergy
Reclamation Sage
33% of 27 decks +23% synergy
Glorious Protector
30% of 27 decks +29% synergy
Reveillark
30% of 27 decks +28% synergy
Charming Prince
30% of 27 decks +28% synergy
Cloudblazer
30% of 27 decks +27% synergy
Thassa, Deep-Dwelling
30% of 27 decks +27% synergy
Brago, King Eternal
30% of 27 decks +26% synergy
Acidic Slime
30% of 27 decks +26% synergy
Spirited Companion
30% of 27 decks +25% synergy
Deadeye Navigator
26% of 27 decks +24% synergy
Knight of Autumn
26% of 27 decks +24% synergy
Archaeomancer
26% of 27 decks +22% synergy
Tough Cookie
25% of 12 decks +24% synergy
The Goose Mother
25% of 12 decks +22% synergy
Displacer Kitten
23% of 26 decks +18% synergy
Preston, the Vanisher
23% of 22 decks +21% synergy
Prime Speaker Vannifar
22% of 27 decks +21% synergy
Reflector Mage
22% of 27 decks +20% synergy
Flickerwisp
22% of 27 decks +20% synergy
Elvish Visionary
22% of 27 decks +20% synergy
Meteor Golem
22% of 27 decks +20% synergy
Wall of Omens
22% of 27 decks +19% synergy
Loran of the Third Path
22% of 23 decks +15% synergy
Peregrin Took
21% of 14 decks +16% synergy
Eldrazi Displacer
19% of 27 decks +17% synergy
Prosperous Innkeeper
19% of 27 decks +16% synergy
Skyclave Apparition
19% of 27 decks +15% synergy
Temur Sabertooth
19% of 27 decks +15% synergy
Avacyn's Pilgrim
19% of 27 decks +4% synergy
Noble Hierarch
19% of 27 decks +2% synergy
Sakura-Tribe Elder
19% of 27 decks +0% synergy
Birds of Paradise
19% of 27 decks -9% synergy
Urza, Prince of Kroog
17% of 23 decks +15% synergy
Graaz, Unstoppable Juggernaut
17% of 18 decks +16% synergy
Lumbering Battlement
15% of 27 decks +15% synergy
Wing Splicer
15% of 27 decks +14% synergy
Stonehorn Dignitary
15% of 27 decks +14% synergy
Cataclysmic Gearhulk
15% of 27 decks +14% synergy
Blade Splicer
15% of 27 decks +14% synergy
Instants
Slip On the Ring
36% of 14 decks +35% synergy
Eerie Interlude
33% of 27 decks +29% synergy
Counterspell
33% of 27 decks -10% synergy
Essence Flux
30% of 27 decks +27% synergy
Flicker of Fate
22% of 27 decks +21% synergy
Displace
22% of 27 decks +21% synergy
Path to Exile
22% of 27 decks -24% synergy
Lae'zel's Acrobatics
19% of 26 decks +17% synergy
Cosmic Intervention
19% of 27 decks +17% synergy
Eladamri's Call
19% of 27 decks +7% synergy
Dovin's Veto
19% of 27 decks -1% synergy
Arcane Denial
19% of 27 decks -1% synergy
An Offer You Can't Refuse
19% of 27 decks -2% synergy
Negate
19% of 27 decks -4% synergy
Beast Within
19% of 27 decks -20% synergy
Justiciar's Portal
15% of 27 decks +14% synergy
Planar Incision
15% of 27 decks +13% synergy
Semester's End
15% of 27 decks +13% synergy
Frantic Search
15% of 27 decks +3% synergy
Masterful Replication
11% of 27 decks +11% synergy
Faithful Mending
11% of 27 decks +8% synergy
Crop Rotation
11% of 27 decks +1% synergy
Worldly Tutor
11% of 27 decks -3% synergy
Mana Drain
11% of 27 decks -4% synergy
Cyclonic Rift
11% of 27 decks -17% synergy
Heroic Intervention
11% of 27 decks -19% synergy
Sorceries
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37% of 27 decks +3% synergy
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22% of 18 decks +22% synergy
Nature's Lore
22% of 27 decks -10% synergy
Neoform
19% of 27 decks +13% synergy
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15% of 27 decks +1% synergy
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Kodama's Reach
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Eldritch Evolution
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Bala Ged Recovery
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26% of 27 decks +23% synergy
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22% of 27 decks +20% synergy
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Birthing Pod
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Strionic Resonator
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Swiftfoot Boots
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36% of 11 decks +34% synergy
Teleportation Circle
33% of 27 decks +29% synergy
Guardian Project
30% of 27 decks +21% synergy
Aura Shards
19% of 27 decks +10% synergy
Rhystic Study
19% of 27 decks -9% synergy
Candlekeep Sage
15% of 26 decks +15% synergy
Angelic Renewal
15% of 27 decks +14% synergy
Fanatical Devotion
15% of 27 decks +14% synergy
Leyline of Anticipation
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11% of 27 decks +6% synergy
Elemental Bond
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Otawara, Soaring City
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Arcane Signet
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26% of 27 decks +0% synergy
Simic Signet
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Selesnya Signet
15% of 27 decks +6% synergy
Talisman of Curiosity
15% of 27 decks +2% synergy
Thought Vessel
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Fellwar Stone
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Liquimetal Torque
11% of 27 decks +8% synergy
Commander's Sphere
11% of 27 decks -4% synergy
Mind Stone
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100% of 27 decks +26% synergy
Exotic Orchard
63% of 27 decks +27% synergy
Prairie Stream
59% of 27 decks +26% synergy
Canopy Vista
56% of 27 decks +19% synergy
Spara's Headquarters
44% of 27 decks +13% synergy
Sea of Clouds
37% of 27 decks +11% synergy
Seaside Citadel
37% of 27 decks +11% synergy
Temple Garden
37% of 27 decks -3% synergy
Flooded Strand
33% of 27 decks +23% synergy
Yavimaya Coast
33% of 27 decks +7% synergy
Hallowed Fountain
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Terramorphic Expanse
30% of 27 decks +14% synergy
Breeding Pool
30% of 27 decks -11% synergy
Windswept Heath
26% of 27 decks +15% synergy
Misty Rainforest
26% of 27 decks +14% synergy
Sungrass Prairie
26% of 27 decks +14% synergy
Temple of Mystery
26% of 27 decks +9% synergy
Evolving Wilds
26% of 27 decks +5% synergy
Path of Ancestry
26% of 27 decks +5% synergy
Sunpetal Grove
26% of 27 decks +2% synergy
Glacial Fortress
26% of 27 decks +0% synergy
Skycloud Expanse
22% of 27 decks +10% synergy
Brushland
22% of 27 decks +6% synergy
Adarkar Wastes
22% of 27 decks +5% synergy
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22% of 27 decks -2% synergy
Hinterland Harbor
22% of 27 decks -5% synergy
Thornglint Bridge
19% of 27 decks +16% synergy
Tanglepool Bridge
19% of 27 decks +16% synergy
Razortide Bridge
19% of 27 decks +12% synergy
Hengegate Pathway
19% of 27 decks +11% synergy
Azorius Chancery
19% of 27 decks +4% synergy
Overgrown Farmland
19% of 27 decks +2% synergy
Temple of Enlightenment
19% of 27 decks +2% synergy
Simic Growth Chamber
19% of 27 decks -1% synergy
Rejuvenating Springs
19% of 27 decks -10% synergy
Bant Panorama
15% of 27 decks +14% synergy
Treva's Ruins
15% of 27 decks +14% synergy
Blighted Woodland
15% of 27 decks +9% synergy
Barkchannel Pathway
15% of 27 decks +6% synergy
Temple of Plenty
15% of 27 decks +2% synergy
Selesnya Sanctuary
15% of 27 decks +1% synergy
Port Town
15% of 27 decks -1% synergy
Esper Panorama
11% of 27 decks +11% synergy
Grasslands
11% of 27 decks +11% synergy
Forbidden Orchard
11% of 27 decks +8% synergy
Arctic Treeline
11% of 27 decks +8% synergy
Rimewood Falls
11% of 27 decks +6% synergy
Thornwood Falls
11% of 27 decks +4% synergy
Fabled Passage
11% of 27 decks +2% synergy
Arid Mesa
11% of 27 decks +1% synergy