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

Lagrella, the Magpie
Karmic Guide
Preston, the Vanisher
Ephemerate

Requires
Lagrella, the Magpie must be on the battlefield. Karmic Guide must be on the battlefield. Preston, the Vanisher must be on the battlefield. Ephemerate must be in hand. Mana needed:
Steps
  1. Cast Ephemerate 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
12.31% of 1609 decks 198 decks
Roon of the Hidden Realm
0.38% of 3191 decks 12 decks
Atraxa, Grand Unifier
0.08% of 14561 decks 11 decks
Derevi, Empyrial Tactician
0.09% of 7545 decks 7 decks
Galadriel, Light of Valinor
0.07% of 8248 decks 6 decks
Amareth, the Lustrous
0.29% of 1398 decks 4 decks
Mr. Foxglove
0.05% of 1933 decks 1 decks
Garth One-Eye
0.02% of 4105 decks 1 decks
Ishai, Ojutai Dragonspeaker // Kodama of the East Tree
0.21% of 476 decks 1 decks
Livio, Oathsworn Sentinel // Thrasios, Triton Hero
0.62% of 162 decks 1 decks
Hargilde, Kindly Runechanter // Othelm, Sigardian Outcast
1.56% of 64 decks 1 decks
Storvald, Frost Giant Jarl
0.09% of 1149 decks 1 decks
New Cards
Unidentified Hovership
56% of 9 decks +53% synergy
Hushwood Verge
41% of 17 decks +21% synergy
Floodfarm Verge
41% of 17 decks +22% synergy
Helpful Hunter
30% of 20 decks +27% synergy
Overlord of the Hauntwoods
6% of 54 decks +2% synergy
High Synergy Cards
Soulherder
89% of 244 decks +84% synergy
Dour Port-Mage
88% of 42 decks +83% synergy
Yarok, the Desecrated
83% of 12 decks +80% synergy
Coiling Oracle
86% of 244 decks +78% synergy
Panharmonicon
81% of 244 decks +77% synergy
Teleportation Circle
80% of 244 decks +76% synergy
Eerie Interlude
79% of 244 decks +75% synergy
Aether Channeler
76% of 244 decks +74% synergy
Charming Prince
76% of 244 decks +74% synergy
Thassa, Deep-Dwelling
73% of 244 decks +69% synergy
Top Cards
Eternal Witness
90% of 244 decks +69% synergy
Mulldrifter
73% of 244 decks +67% synergy
Elesh Norn, Mother of Machines
72% of 223 decks +67% synergy
Swords to Plowshares
71% of 244 decks +8% synergy
Wood Elves
70% of 244 decks +63% synergy
Ghostly Flicker
69% of 244 decks +64% synergy
Restoration Angel
68% of 244 decks +66% synergy
Peregrine Drake
68% of 244 decks +65% synergy
Ravenous Chupacabra
67% of 12 decks +63% synergy
Cloudshift
66% of 244 decks +63% synergy
Creatures
Felidar Guardian
65% of 244 decks +63% synergy
Abdel Adrian, Gorion's Ward
64% of 244 decks +62% synergy
Yorion, Sky Nomad
62% of 244 decks +60% synergy
Clifftop Lookout
62% of 50 decks +59% synergy
Knight of Autumn
59% of 244 decks +57% synergy
Baleful Strix
58% of 12 decks +45% synergy
Cloudblazer
58% of 244 decks +55% synergy
Farhaven Elf
57% of 244 decks +53% synergy
Wall of Blossoms
55% of 244 decks +53% synergy
Wall of Omens
55% of 244 decks +52% synergy
Venser, Shaper Savant
53% of 244 decks +51% synergy
Sun Titan
53% of 244 decks +43% synergy
Glorious Protector
53% of 244 decks +52% synergy
Spirited Companion
52% of 244 decks +48% synergy
Reflector Mage
52% of 244 decks +50% synergy
Archaeomancer
51% of 244 decks +47% synergy
Flickerwisp
50% of 244 decks +48% synergy
Elvish Visionary
48% of 244 decks +46% synergy
Brago, King Eternal
48% of 244 decks +45% synergy
Reclamation Sage
48% of 244 decks +37% synergy
Displacer Kitten
45% of 244 decks +40% synergy
Delney, Streetwise Lookout
45% of 93 decks +40% synergy
Emiel the Blessed
45% of 244 decks +41% synergy
Fiend Hunter
44% of 244 decks +43% synergy
Loran of the Third Path
43% of 244 decks +35% synergy
Ertai Resurrected
42% of 12 decks +39% synergy
Agent of Treachery
39% of 244 decks +37% synergy
Solemn Simulacrum
39% of 244 decks +25% synergy
Deadeye Navigator
38% of 244 decks +35% synergy
Skyclave Apparition
37% of 244 decks +34% synergy
Werefox Bodyguard
35% of 137 decks +34% synergy
Witch Enchanter
35% of 63 decks +25% synergy
Acidic Slime
31% of 244 decks +27% synergy
Gruff Triplets
30% of 128 decks +28% synergy
Pond Prophet
29% of 52 decks +25% synergy
Reveillark
28% of 244 decks +26% synergy
Risen Reef
27% of 244 decks +24% synergy
Thragtusk
26% of 244 decks +25% synergy
Massacre Wurm
25% of 12 decks +20% synergy
Galadriel, Light of Valinor
25% of 118 decks +21% synergy
Topiary Stomper
23% of 244 decks +20% synergy
Avenger of Zendikar
23% of 244 decks +14% synergy
Noble Hierarch
22% of 244 decks +6% synergy
Birds of Paradise
22% of 244 decks -5% synergy
Dreamdew Entrancer
21% of 52 decks +18% synergy
Mystic Snake
20% of 244 decks +18% synergy
Phelia, Exuberant Shepherd
19% of 63 decks +17% synergy
Timeless Witness
19% of 244 decks +16% synergy
Lumbering Battlement
18% of 244 decks +18% synergy
Phantom Steed
18% of 244 decks +18% synergy
Instants
Momentary Blink
65% of 244 decks +62% synergy
Essence Flux
57% of 244 decks +55% synergy
Lae'zel's Acrobatics
49% of 244 decks +47% synergy
Path to Exile
47% of 244 decks +1% synergy
Counterspell
43% of 244 decks +1% synergy
Displace
36% of 244 decks +35% synergy
Beast Within
35% of 244 decks -4% synergy
Semester's End
34% of 244 decks +32% synergy
Cyclonic Rift
26% of 244 decks -2% synergy
Eladamri's Call
24% of 244 decks +13% synergy
Dovin's Veto
21% of 244 decks +2% synergy
Generous Gift
20% of 244 decks -6% synergy
Teferi's Protection
19% of 244 decks -1% synergy
Scrollshift
19% of 167 decks +18% synergy
Flicker of Fate
17% of 244 decks +15% synergy
An Offer You Can't Refuse
16% of 244 decks -4% synergy
Worldly Tutor
15% of 244 decks +1% synergy
Ghostway
14% of 244 decks +13% synergy
Arcane Denial
14% of 244 decks -6% synergy
Heroic Intervention
14% of 244 decks -16% synergy
Swan Song
12% of 244 decks -4% synergy
Chord of Calling
12% of 244 decks +6% synergy
Parting Gust
12% of 52 decks +8% synergy
Negate
11% of 244 decks -11% synergy
Planar Incision
11% of 244 decks +9% synergy
Enlightened Tutor
11% of 244 decks -7% synergy
Theoretical Duplication
9% of 244 decks +9% synergy
Mystic Reflection
9% of 244 decks +8% synergy
Fierce Guardianship
9% of 244 decks -9% synergy
Cosmic Rebirth
9% of 163 decks +6% synergy
Teferi's Time Twist
7% of 244 decks +6% synergy
Getaway Glamer
7% of 76 decks +6% synergy
Cosmic Intervention
7% of 244 decks +5% synergy
Blur
7% of 244 decks +5% synergy
Disorder in the Court
7% of 244 decks +5% synergy
Mana Drain
6% of 244 decks -9% synergy
Mystical Tutor
6% of 244 decks -9% synergy
Slip On the Ring
5% of 156 decks +4% synergy
Sorceries
Farseek
53% of 244 decks +19% synergy
Nature's Lore
43% of 244 decks +11% synergy
Another Round
41% of 76 decks +39% synergy
Rampant Growth
35% of 244 decks +0% synergy
Cultivate
32% of 244 decks -14% synergy
Three Visits
26% of 244 decks +1% synergy
Farewell
22% of 244 decks +9% synergy
Kodama's Reach
20% of 244 decks -11% synergy
Supreme Verdict
19% of 244 decks +5% synergy
Time Wipe
15% of 244 decks +8% synergy
Austere Command
15% of 244 decks +2% synergy
Against All Odds
10% of 192 decks +10% synergy
Neoform
10% of 244 decks +5% synergy
Bala Ged Recovery
10% of 244 decks +1% synergy
Finale of Devastation
8% of 244 decks -0% synergy
Wargate
7% of 244 decks +4% synergy
Starfall Invocation
6% of 50 decks +1% synergy
Skyshroud Claim
5% of 244 decks -4% synergy
Utility Artifacts
Conjurer's Closet
48% of 244 decks +46% synergy
Altar of the Brood
20% of 244 decks +19% synergy
Sword of Hearth and Home
16% of 244 decks +13% synergy
The Ozolith
10% of 244 decks +6% synergy
The Great Henge
9% of 244 decks -1% synergy
Swiftfoot Boots
8% of 244 decks -20% synergy
Birthing Pod
7% of 244 decks +4% synergy
Strionic Resonator
7% of 244 decks +3% synergy
Enchantments
Virtue of Knowledge
59% of 150 decks +56% synergy
Guardian Project
57% of 244 decks +48% synergy
They Came from the Pipes
50% of 10 decks +47% synergy
Aura Shards
41% of 244 decks +32% synergy
Candlekeep Sage
35% of 244 decks +35% synergy
Dance of the Dead
25% of 12 decks +23% synergy
Animate Dead
25% of 12 decks +16% synergy
Smothering Tithe
14% of 244 decks -11% synergy
Rhystic Study
14% of 244 decks -14% synergy
Touch the Spirit Realm
12% of 244 decks +10% synergy
Blessed Sanctuary
12% of 244 decks +11% synergy
Mystic Remora
12% of 244 decks -6% synergy
Leyline of Anticipation
8% of 244 decks +4% synergy
Far Traveler
7% of 244 decks +6% synergy
Gossip's Talent
6% of 50 decks +4% synergy
Extraordinary Journey
5% of 128 decks +5% synergy
Sylvan Library
5% of 244 decks -6% synergy
Planeswalkers
Aminatou, the Fateshifter
42% of 12 decks +39% synergy
The Eternal Wanderer
34% of 202 decks +31% synergy
Venser, the Sojourner
16% of 244 decks +14% synergy
Utility Lands
Reliquary Tower
57% of 244 decks +28% synergy
Bojuka Bog
25% of 12 decks -5% synergy
Boseiju, Who Endures
23% of 244 decks +3% synergy
Otawara, Soaring City
21% of 244 decks +4% synergy
Yavimaya, Cradle of Growth
17% of 244 decks +8% synergy
Alchemist's Refuge
15% of 244 decks +8% synergy
Mystic Sanctuary
10% of 244 decks -2% synergy
Eiganjo, Seat of the Empire
9% of 244 decks +0% synergy
Temple of the False God
8% of 244 decks -1% synergy
Ancient Tomb
5% of 244 decks -5% synergy
Mana Artifacts
Sol Ring
85% of 244 decks +0% synergy
Arcane Signet
76% of 244 decks +4% synergy
Azorius Signet
28% of 244 decks +2% synergy
Simic Signet
25% of 244 decks +10% synergy
Talisman of Curiosity
13% of 244 decks +0% synergy
Thought Vessel
11% of 244 decks -5% synergy
Fellwar Stone
11% of 244 decks -10% synergy
Selesnya Signet
10% of 244 decks +1% synergy
Talisman of Unity
10% of 244 decks +2% synergy
Talisman of Progress
9% of 244 decks -14% synergy
Lands
Command Tower
93% of 244 decks +19% synergy
Spara's Headquarters
73% of 244 decks +41% synergy
Temple Garden
66% of 244 decks +26% synergy
Hallowed Fountain
66% of 244 decks +25% synergy
Breeding Pool
66% of 244 decks +25% synergy
Exotic Orchard
64% of 244 decks +28% synergy
Overgrown Tomb
58% of 12 decks +16% synergy
Glacial Fortress
56% of 244 decks +30% synergy
Rejuvenating Springs
55% of 244 decks +27% synergy
Seaside Citadel
55% of 244 decks +29% synergy
Canopy Vista
55% of 244 decks +19% synergy
Prairie Stream
52% of 244 decks +19% synergy
Sea of Clouds
51% of 244 decks +25% synergy
Bountiful Promenade
50% of 244 decks +26% synergy
Godless Shrine
50% of 12 decks +9% synergy
Watery Grave
50% of 12 decks +9% synergy
Sunpetal Grove
49% of 244 decks +25% synergy
Yavimaya Coast
46% of 244 decks +19% synergy
Hinterland Harbor
36% of 244 decks +9% synergy
Windswept Heath
34% of 244 decks +24% synergy
Opulent Palace
33% of 12 decks +7% synergy
Raffine's Tower
33% of 12 decks +6% synergy
Zagoth Triome
33% of 12 decks +3% synergy
Flooded Strand
33% of 244 decks +23% synergy
Misty Rainforest
31% of 244 decks +19% synergy
Tranquil Landscape
31% of 58 decks +15% synergy
Hedge Maze
31% of 95 decks +17% synergy
Brokers Hideout
29% of 244 decks +27% synergy
Deserted Beach
28% of 244 decks +12% synergy
Overgrown Farmland
28% of 244 decks +12% synergy
Evolving Wilds
27% of 244 decks +6% synergy
Dreamroot Cascade
27% of 244 decks +8% synergy
Lush Portico
26% of 95 decks +14% synergy
Adarkar Wastes
26% of 244 decks +8% synergy
Fetid Heath
25% of 12 decks +14% synergy
Sandsteppe Citadel
25% of 12 decks -1% synergy
Vault of Champions
25% of 12 decks -1% synergy
Morphic Pool
25% of 12 decks -1% synergy
Undergrowth Stadium
25% of 12 decks -1% synergy
Arcane Sanctum
25% of 12 decks -3% synergy
Caves of Koilos
25% of 12 decks -3% synergy
Indatha Triome
25% of 12 decks -6% synergy
Brushland
25% of 244 decks +9% synergy
Tangled Islet
20% of 244 decks +13% synergy
Meticulous Archive
20% of 95 decks +10% synergy
Azorius Chancery
16% of 244 decks +1% synergy
Simic Growth Chamber
16% of 244 decks -4% synergy
Fabled Passage
14% of 244 decks +5% synergy
Selesnya Sanctuary
13% of 244 decks -1% synergy
Arctic Treeline
13% of 244 decks +9% synergy