Lagrella, the Magpie + Karmic Guide + Preston, the Vanisher + Cloudshift

Lagrella, the Magpie
Karmic Guide
Preston, the Vanisher
Cloudshift

Requires
Lagrella, the Magpie must be on the battlefield. Karmic Guide must be on the battlefield. Preston, the Vanisher must be on the battlefield. Cloudshift must be in hand. Mana needed:
Steps
  1. Cast Cloudshift by paying , blinking Lagrella.
  2. When Lagrella enters the battlefield, it and Preston triggers.
  3. Resolve the Lagrella trigger, exiling Karmic Guide until Lagrella leaves the battlefield.
  4. Resolve the Preston trigger, creating a token copy of Lagrella that is a 0/1 Illusion.
  5. Put the nontoken Lagrella into your graveyard due to the legend rule.
  6. If Lagrella is your commander, choose not to return it to the command zone from your graveyard.
  7. When Lagrella leaves the battlefield, Karmic Guide is returned to the battlefield from exile.
  8. Karmic Guide, Lagrella and Preston each trigger.
  9. Resolve the Preston trigger, creating a token copy of Karmic Guide that is a 0/1 Illusion.
  10. When the Karmic Guide token enters the battlefield, it triggers, choosing to return nothing to the battlefield.
  11. Resolve the Lagrella trigger, putting two +1/+1 counters on the nontoken Karmic Guide.
  12. Resolve the Karmic Guide trigger from step 8, returning Lagrella from your graveyard to the battlefield.
  13. Repeat from step 2.
Results
Infinite creature tokens. Infinite death triggers. Infinite ETB. Infinite LTB.

Lagrella, the Magpie
8.81% of 1590 decks 140 decks
Atraxa, Grand Unifier
0.06% of 14164 decks 8 decks
Derevi, Empyrial Tactician
0.05% of 7387 decks 4 decks
Galadriel, Light of Valinor
0.03% of 7774 decks 2 decks
Ishai, Ojutai Dragonspeaker // Kodama of the East Tree
0.21% of 467 decks 1 decks
Amareth, the Lustrous
0.07% of 1415 decks 1 decks
Roon of the Hidden Realm
0.03% of 3265 decks 1 decks
Mr. Foxglove
0.06% of 1730 decks 1 decks
Garth One-Eye
0.02% of 4136 decks 1 decks
New Cards
Unidentified Hovership
100% of 3 decks +97% synergy
They Came from the Pipes
75% of 4 decks +70% synergy
High Synergy Cards
Ephemerate
100% of 159 decks +94% synergy
Dour Port-Mage
95% of 21 decks +89% synergy
Soulherder
92% of 159 decks +87% synergy
Yarok, the Desecrated
89% of 9 decks +86% synergy
Teleportation Circle
86% of 159 decks +82% synergy
Panharmonicon
84% of 159 decks +80% synergy
Coiling Oracle
87% of 159 decks +80% synergy
Charming Prince
82% of 159 decks +80% synergy
Aether Channeler
81% of 159 decks +79% synergy
Eerie Interlude
80% of 159 decks +76% synergy
Top Cards
Eternal Witness
91% of 159 decks +70% synergy
Ghostly Flicker
80% of 159 decks +75% synergy
Ravenous Chupacabra
78% of 9 decks +74% synergy
Restoration Angel
77% of 159 decks +74% synergy
Momentary Blink
77% of 159 decks +74% synergy
Essence Flux
75% of 159 decks +73% synergy
Peregrine Drake
75% of 159 decks +72% synergy
Mulldrifter
75% of 159 decks +70% synergy
Thassa, Deep-Dwelling
75% of 159 decks +72% synergy
Abdel Adrian, Gorion's Ward
74% of 159 decks +72% synergy
Creatures
Felidar Guardian
74% of 159 decks +71% synergy
Wood Elves
72% of 159 decks +65% synergy
Elesh Norn, Mother of Machines
72% of 143 decks +67% synergy
Baleful Strix
67% of 9 decks +53% synergy
Yorion, Sky Nomad
66% of 159 decks +64% synergy
Farhaven Elf
64% of 159 decks +60% synergy
Cloudblazer
62% of 159 decks +59% synergy
Spirited Companion
61% of 159 decks +57% synergy
Glorious Protector
60% of 159 decks +59% synergy
Knight of Autumn
60% of 159 decks +58% synergy
Archaeomancer
60% of 159 decks +56% synergy
Wall of Blossoms
59% of 159 decks +58% synergy
Flickerwisp
59% of 159 decks +57% synergy
Wall of Omens
59% of 159 decks +56% synergy
Displacer Kitten
56% of 159 decks +50% synergy
Reflector Mage
55% of 159 decks +53% synergy
Delney, Streetwise Lookout
55% of 53 decks +50% synergy
Sun Titan
55% of 159 decks +44% synergy
Elvish Visionary
54% of 159 decks +52% synergy
Fiend Hunter
53% of 159 decks +51% synergy
Reclamation Sage
53% of 159 decks +42% synergy
Brago, King Eternal
52% of 159 decks +49% synergy
Clifftop Lookout
52% of 25 decks +48% synergy
Venser, Shaper Savant
50% of 159 decks +48% synergy
Emiel the Blessed
45% of 159 decks +41% synergy
Ertai Resurrected
44% of 9 decks +41% synergy
Loran of the Third Path
43% of 159 decks +36% synergy
Solemn Simulacrum
40% of 159 decks +26% synergy
Werefox Bodyguard
38% of 82 decks +37% synergy
Agent of Treachery
36% of 159 decks +34% synergy
Deadeye Navigator
34% of 159 decks +32% synergy
Skyclave Apparition
33% of 159 decks +30% synergy
Gruff Triplets
31% of 77 decks +30% synergy
Acidic Slime
31% of 159 decks +27% synergy
Thragtusk
28% of 159 decks +28% synergy
Witch Enchanter
28% of 32 decks +18% synergy
Reveillark
27% of 159 decks +25% synergy
Beza, the Bounding Spring
26% of 27 decks +24% synergy
Galadriel, Light of Valinor
26% of 70 decks +22% synergy
Phelia, Exuberant Shepherd
25% of 32 decks +22% synergy
Nadu, Winged Wisdom
25% of 32 decks +21% synergy
Risen Reef
24% of 159 decks +21% synergy
Dreamdew Entrancer
23% of 26 decks +19% synergy
Topiary Stomper
23% of 159 decks +19% synergy
Mystic Snake
21% of 159 decks +19% synergy
Avenger of Zendikar
20% of 159 decks +10% synergy
Noble Hierarch
19% of 159 decks +3% synergy
Lumbering Battlement
18% of 159 decks +18% synergy
Birds of Paradise
18% of 159 decks -9% synergy
Woodland Acolyte
17% of 75 decks +16% synergy
Instants
Swords to Plowshares
73% of 159 decks +10% synergy
Lae'zel's Acrobatics
54% of 159 decks +52% synergy
Path to Exile
52% of 159 decks +6% synergy
Counterspell
49% of 159 decks +6% synergy
Displace
48% of 159 decks +47% synergy
Semester's End
40% of 159 decks +38% synergy
Beast Within
38% of 159 decks -1% synergy
Scrollshift
26% of 105 decks +25% synergy
Generous Gift
23% of 159 decks -3% synergy
Cyclonic Rift
22% of 159 decks -6% synergy
Flicker of Fate
21% of 159 decks +19% synergy
Eladamri's Call
20% of 159 decks +9% synergy
Dovin's Veto
18% of 159 decks -1% synergy
Teferi's Protection
16% of 159 decks -4% synergy
Parting Gust
15% of 26 decks +11% synergy
An Offer You Can't Refuse
14% of 159 decks -6% synergy
Swan Song
13% of 159 decks -3% synergy
Worldly Tutor
13% of 159 decks -2% synergy
Ghostway
12% of 159 decks +11% synergy
Planar Incision
12% of 159 decks +11% synergy
Arcane Denial
12% of 159 decks -8% synergy
Heroic Intervention
12% of 159 decks -18% synergy
Cosmic Rebirth
11% of 102 decks +8% synergy
Teferi's Time Twist
10% of 159 decks +9% synergy
Negate
10% of 159 decks -13% synergy
Getaway Glamer
10% of 41 decks +9% synergy
Blur
9% of 159 decks +8% synergy
Sink into Stupor
9% of 32 decks -4% synergy
Slip On the Ring
8% of 97 decks +7% synergy
Theoretical Duplication
8% of 159 decks +7% synergy
Chord of Calling
8% of 159 decks +2% synergy
Fierce Guardianship
8% of 159 decks -10% synergy
Disorder in the Court
8% of 159 decks +6% synergy
Enlightened Tutor
8% of 159 decks -10% synergy
Mystic Reflection
7% of 159 decks +5% synergy
Stroke of Midnight
6% of 93 decks -6% synergy
Cosmic Intervention
6% of 159 decks +5% synergy
Pongify
6% of 159 decks -6% synergy
Mystical Tutor
6% of 159 decks -9% synergy
Rite of Harmony
5% of 159 decks +2% synergy
Nature's Claim
5% of 159 decks -5% synergy
Sorceries
Farseek
62% of 159 decks +27% synergy
Nature's Lore
50% of 159 decks +18% synergy
Another Round
49% of 41 decks +47% synergy
Rampant Growth
43% of 159 decks +9% synergy
Cultivate
40% of 159 decks -7% synergy
Three Visits
29% of 159 decks +4% synergy
Kodama's Reach
28% of 159 decks -4% synergy
Farewell
22% of 159 decks +9% synergy
Supreme Verdict
16% of 159 decks +2% synergy
Time Wipe
15% of 159 decks +8% synergy
Against All Odds
15% of 121 decks +14% synergy
Austere Command
11% of 159 decks -1% synergy
Neoform
8% of 159 decks +3% synergy
Bala Ged Recovery
8% of 159 decks -2% synergy
Wargate
7% of 159 decks +4% synergy
Finale of Devastation
7% of 159 decks -1% synergy
Skyshroud Claim
5% of 159 decks -4% synergy
Utility Artifacts
Conjurer's Closet
52% of 159 decks +50% synergy
Altar of the Brood
24% of 159 decks +23% synergy
Sword of Hearth and Home
13% of 159 decks +10% synergy
The Ozolith
11% of 159 decks +8% synergy
The Great Henge
11% of 159 decks +1% synergy
Swiftfoot Boots
6% of 159 decks -22% synergy
Strionic Resonator
5% of 159 decks +2% synergy
Enchantments
Virtue of Knowledge
65% of 93 decks +61% synergy
Guardian Project
62% of 159 decks +53% synergy
Aura Shards
44% of 159 decks +35% synergy
Candlekeep Sage
42% of 159 decks +41% synergy
Blessed Sanctuary
15% of 159 decks +14% synergy
Touch the Spirit Realm
13% of 159 decks +11% synergy
Mystic Remora
11% of 159 decks -7% synergy
Smothering Tithe
11% of 159 decks -14% synergy
Rhystic Study
10% of 159 decks -18% synergy
Far Traveler
6% of 159 decks +5% synergy
Leyline of Anticipation
6% of 159 decks +1% synergy
Sylvan Library
6% of 159 decks -6% synergy
Planeswalkers
Aminatou, the Fateshifter
44% of 9 decks +41% synergy
The Eternal Wanderer
33% of 129 decks +30% synergy
Venser, the Sojourner
12% of 159 decks +10% synergy
Utility Lands
Reliquary Tower
62% of 159 decks +32% synergy
Boseiju, Who Endures
21% of 159 decks +2% synergy
Otawara, Soaring City
19% of 159 decks +2% synergy
Yavimaya, Cradle of Growth
16% of 159 decks +7% synergy
Alchemist's Refuge
13% of 159 decks +6% synergy
Mystic Sanctuary
10% of 159 decks -2% synergy
Eiganjo, Seat of the Empire
9% of 159 decks -0% synergy
Temple of the False God
6% of 159 decks -4% synergy
Mana Artifacts
Arcane Signet
83% of 159 decks +11% synergy
Sol Ring
82% of 159 decks -2% synergy
Azorius Signet
36% of 159 decks +10% synergy
Simic Signet
31% of 159 decks +16% synergy
Thought Vessel
13% of 159 decks -4% synergy
Selesnya Signet
12% of 159 decks +3% synergy
Fellwar Stone
11% of 159 decks -10% synergy
Talisman of Curiosity
11% of 159 decks -2% synergy
Talisman of Unity
9% of 159 decks +2% synergy
Talisman of Progress
8% of 159 decks -14% synergy
Decanter of Endless Water
6% of 159 decks +1% synergy
Commander's Sphere
5% of 159 decks -10% synergy
Lands
Command Tower
92% of 159 decks +19% synergy
Spara's Headquarters
75% of 159 decks +43% synergy
Hallowed Fountain
67% of 159 decks +26% synergy
Temple Garden
66% of 159 decks +26% synergy
Exotic Orchard
65% of 159 decks +30% synergy
Breeding Pool
65% of 159 decks +24% synergy
Glacial Fortress
59% of 159 decks +34% synergy
Rejuvenating Springs
59% of 159 decks +30% synergy
Canopy Vista
59% of 159 decks +23% synergy
Seaside Citadel
58% of 159 decks +32% synergy
Prairie Stream
58% of 159 decks +24% synergy
Overgrown Tomb
56% of 9 decks +13% synergy
Sunpetal Grove
52% of 159 decks +29% synergy
Bountiful Promenade
48% of 159 decks +24% synergy
Yavimaya Coast
48% of 159 decks +22% synergy
Sea of Clouds
47% of 159 decks +20% synergy
Godless Shrine
44% of 9 decks +4% synergy
Watery Grave
44% of 9 decks +4% synergy
Brokers Hideout
36% of 159 decks +34% synergy
Hinterland Harbor
34% of 159 decks +7% synergy
Fetid Heath
33% of 9 decks +23% synergy
Opulent Palace
33% of 9 decks +7% synergy
Raffine's Tower
33% of 9 decks +5% synergy
Caves of Koilos
33% of 9 decks +5% synergy
Zagoth Triome
33% of 9 decks +3% synergy
Evolving Wilds
32% of 159 decks +11% synergy
Hedge Maze
30% of 53 decks +16% synergy
Windswept Heath
28% of 159 decks +18% synergy
Flooded Strand
28% of 159 decks +18% synergy
Deserted Beach
28% of 159 decks +12% synergy
Overgrown Farmland
28% of 159 decks +12% synergy
Tranquil Landscape
28% of 29 decks +10% synergy
Misty Rainforest
26% of 159 decks +15% synergy
Dreamroot Cascade
26% of 159 decks +8% synergy
Tangled Islet
25% of 159 decks +18% synergy
Adarkar Wastes
25% of 159 decks +8% synergy
Brushland
25% of 159 decks +9% synergy
Lush Portico
23% of 53 decks +10% synergy
Meticulous Archive
21% of 53 decks +10% synergy
Arctic Treeline
15% of 159 decks +11% synergy
Rimewood Falls
14% of 159 decks +9% synergy
Radiant Grove
14% of 159 decks +8% synergy
Fabled Passage
14% of 159 decks +5% synergy
Path of Ancestry
14% of 159 decks -7% synergy
Azorius Chancery
13% of 159 decks -2% synergy
Simic Growth Chamber
13% of 159 decks -7% synergy
Hengegate Pathway
11% of 159 decks +4% synergy
Savannah
11% of 159 decks -2% synergy
Temple of Enlightenment
11% of 159 decks -5% synergy
Temple of Plenty
11% of 159 decks -2% synergy