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
11.95% of 1590 decks 190 decks
Roon of the Hidden Realm
0.37% of 3265 decks 12 decks
Atraxa, Grand Unifier
0.08% of 14164 decks 11 decks
Derevi, Empyrial Tactician
0.09% of 7387 decks 7 decks
Galadriel, Light of Valinor
0.08% of 7774 decks 6 decks
Amareth, the Lustrous
0.28% of 1415 decks 4 decks
Ishai, Ojutai Dragonspeaker // Kodama of the East Tree
0.21% of 467 decks 1 decks
Hargilde, Kindly Runechanter // Othelm, Sigardian Outcast
1.54% of 65 decks 1 decks
Livio, Oathsworn Sentinel // Thrasios, Triton Hero
0.62% of 162 decks 1 decks
Mr. Foxglove
0.06% of 1730 decks 1 decks
Storvald, Frost Giant Jarl
0.09% of 1157 decks 1 decks
Garth One-Eye
0.02% of 4136 decks 1 decks
New Cards
Unidentified Hovership
75% of 4 decks +72% synergy
They Came from the Pipes
60% of 5 decks +55% synergy
High Synergy Cards
Dour Port-Mage
97% of 30 decks +91% synergy
Soulherder
90% of 236 decks +85% synergy
Yarok, the Desecrated
83% of 12 decks +80% synergy
Panharmonicon
83% of 236 decks +79% synergy
Coiling Oracle
85% of 236 decks +77% synergy
Teleportation Circle
81% of 236 decks +77% synergy
Charming Prince
78% of 236 decks +76% synergy
Aether Channeler
77% of 236 decks +75% synergy
Eerie Interlude
79% of 236 decks +75% synergy
Thassa, Deep-Dwelling
73% of 236 decks +70% synergy
Top Cards
Eternal Witness
89% of 236 decks +67% synergy
Mulldrifter
75% of 236 decks +69% synergy
Elesh Norn, Mother of Machines
73% of 211 decks +67% synergy
Swords to Plowshares
72% of 236 decks +9% synergy
Peregrine Drake
69% of 236 decks +66% synergy
Restoration Angel
69% of 236 decks +66% synergy
Ghostly Flicker
69% of 236 decks +64% synergy
Wood Elves
69% of 236 decks +62% synergy
Cloudshift
67% of 236 decks +64% synergy
Ravenous Chupacabra
67% of 12 decks +63% synergy
Creatures
Abdel Adrian, Gorion's Ward
64% of 236 decks +63% synergy
Felidar Guardian
64% of 236 decks +62% synergy
Yorion, Sky Nomad
64% of 236 decks +61% synergy
Knight of Autumn
60% of 236 decks +58% synergy
Cloudblazer
59% of 236 decks +56% synergy
Baleful Strix
58% of 12 decks +45% synergy
Farhaven Elf
58% of 236 decks +54% synergy
Clifftop Lookout
56% of 36 decks +52% synergy
Wall of Omens
54% of 236 decks +51% synergy
Wall of Blossoms
53% of 236 decks +52% synergy
Glorious Protector
53% of 236 decks +52% synergy
Sun Titan
53% of 236 decks +42% synergy
Reflector Mage
52% of 236 decks +50% synergy
Venser, Shaper Savant
52% of 236 decks +50% synergy
Spirited Companion
51% of 236 decks +47% synergy
Flickerwisp
50% of 236 decks +48% synergy
Archaeomancer
49% of 236 decks +45% synergy
Delney, Streetwise Lookout
49% of 80 decks +44% synergy
Brago, King Eternal
49% of 236 decks +45% synergy
Reclamation Sage
48% of 236 decks +37% synergy
Displacer Kitten
47% of 236 decks +42% synergy
Elvish Visionary
45% of 236 decks +43% synergy
Emiel the Blessed
45% of 236 decks +42% synergy
Fiend Hunter
43% of 236 decks +42% synergy
Loran of the Third Path
43% of 236 decks +36% synergy
Ertai Resurrected
42% of 12 decks +39% synergy
Agent of Treachery
39% of 236 decks +37% synergy
Solemn Simulacrum
39% of 236 decks +25% synergy
Skyclave Apparition
39% of 236 decks +35% synergy
Deadeye Navigator
38% of 236 decks +35% synergy
Werefox Bodyguard
36% of 125 decks +35% synergy
Witch Enchanter
35% of 49 decks +25% synergy
Acidic Slime
33% of 236 decks +29% synergy
Gruff Triplets
31% of 116 decks +29% synergy
Reveillark
30% of 236 decks +28% synergy
Risen Reef
27% of 236 decks +24% synergy
Thragtusk
27% of 236 decks +26% synergy
Galadriel, Light of Valinor
26% of 106 decks +23% synergy
Dreamdew Entrancer
26% of 38 decks +23% synergy
Nadu, Winged Wisdom
25% of 48 decks +21% synergy
Massacre Wurm
25% of 12 decks +21% synergy
Phelia, Exuberant Shepherd
24% of 49 decks +22% synergy
Topiary Stomper
24% of 236 decks +20% synergy
Avenger of Zendikar
24% of 236 decks +14% synergy
Noble Hierarch
22% of 236 decks +6% synergy
Birds of Paradise
22% of 236 decks -5% synergy
Mystic Snake
21% of 236 decks +19% synergy
Pond Prophet
21% of 38 decks +17% synergy
Lumbering Battlement
19% of 236 decks +19% synergy
Timeless Witness
19% of 236 decks +16% synergy
Instants
Momentary Blink
65% of 236 decks +62% synergy
Essence Flux
58% of 236 decks +55% synergy
Lae'zel's Acrobatics
50% of 236 decks +48% synergy
Path to Exile
47% of 236 decks +1% synergy
Counterspell
43% of 236 decks -0% synergy
Displace
36% of 236 decks +34% synergy
Beast Within
35% of 236 decks -4% synergy
Semester's End
33% of 236 decks +31% synergy
Eladamri's Call
24% of 236 decks +12% synergy
Cyclonic Rift
24% of 236 decks -4% synergy
Dovin's Veto
22% of 236 decks +3% synergy
Scrollshift
20% of 155 decks +19% synergy
Generous Gift
20% of 236 decks -6% synergy
Flicker of Fate
18% of 236 decks +17% synergy
Teferi's Protection
18% of 236 decks -2% synergy
An Offer You Can't Refuse
17% of 236 decks -4% synergy
Worldly Tutor
15% of 236 decks +1% synergy
Heroic Intervention
14% of 236 decks -15% synergy
Parting Gust
13% of 38 decks +9% synergy
Ghostway
13% of 236 decks +12% synergy
Arcane Denial
13% of 236 decks -6% synergy
Swan Song
13% of 236 decks -4% synergy
Planar Incision
11% of 236 decks +10% synergy
Chord of Calling
11% of 236 decks +5% synergy
Negate
11% of 236 decks -12% synergy
Enlightened Tutor
10% of 236 decks -8% synergy
Theoretical Duplication
10% of 236 decks +9% synergy
Mystic Reflection
9% of 236 decks +8% synergy
Fierce Guardianship
9% of 236 decks -9% synergy
Cosmic Rebirth
9% of 151 decks +6% synergy
Teferi's Time Twist
8% of 236 decks +7% synergy
Getaway Glamer
8% of 62 decks +7% synergy
Cosmic Intervention
8% of 236 decks +7% synergy
Disorder in the Court
7% of 236 decks +5% synergy
Blur
6% of 236 decks +5% synergy
Sink into Stupor
6% of 48 decks -7% synergy
Mystical Tutor
6% of 236 decks -9% synergy
Slip On the Ring
6% of 144 decks +5% synergy
Rite of Harmony
5% of 236 decks +2% synergy
Pongify
5% of 236 decks -7% synergy
Mana Drain
5% of 236 decks -10% synergy
Growth Spiral
5% of 236 decks -17% synergy
Sorceries
Farseek
53% of 236 decks +18% synergy
Nature's Lore
42% of 236 decks +10% synergy
Another Round
40% of 62 decks +39% synergy
Rampant Growth
34% of 236 decks -0% synergy
Cultivate
33% of 236 decks -14% synergy
Three Visits
26% of 236 decks +2% synergy
Farewell
23% of 236 decks +10% synergy
Kodama's Reach
22% of 236 decks -10% synergy
Supreme Verdict
19% of 236 decks +5% synergy
Austere Command
15% of 236 decks +2% synergy
Time Wipe
14% of 236 decks +8% synergy
Against All Odds
11% of 180 decks +11% synergy
Bala Ged Recovery
11% of 236 decks +1% synergy
Neoform
10% of 236 decks +5% synergy
Finale of Devastation
8% of 236 decks -0% synergy
Wargate
7% of 236 decks +4% synergy
Skyshroud Claim
6% of 236 decks -4% synergy
Utility Artifacts
Conjurer's Closet
48% of 236 decks +46% synergy
Altar of the Brood
21% of 236 decks +20% synergy
Sword of Hearth and Home
16% of 236 decks +14% synergy
The Ozolith
9% of 236 decks +6% synergy
The Great Henge
9% of 236 decks -1% synergy
Swiftfoot Boots
8% of 236 decks -20% synergy
Strionic Resonator
7% of 236 decks +3% synergy
Birthing Pod
6% of 236 decks +3% synergy
Enchantments
Virtue of Knowledge
61% of 138 decks +58% synergy
Guardian Project
57% of 236 decks +48% synergy
Aura Shards
41% of 236 decks +32% synergy
Candlekeep Sage
35% of 236 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 236 decks -12% synergy
Rhystic Study
13% of 236 decks -15% synergy
Blessed Sanctuary
12% of 236 decks +12% synergy
Touch the Spirit Realm
12% of 236 decks +10% synergy
Mystic Remora
11% of 236 decks -7% synergy
Leyline of Anticipation
8% of 236 decks +4% synergy
Far Traveler
6% of 236 decks +5% synergy
Sylvan Library
6% of 236 decks -6% synergy
Planeswalkers
Aminatou, the Fateshifter
42% of 12 decks +39% synergy
The Eternal Wanderer
35% of 190 decks +32% synergy
Venser, the Sojourner
16% of 236 decks +14% synergy
Utility Lands
Reliquary Tower
57% of 236 decks +28% synergy
Bojuka Bog
25% of 12 decks -5% synergy
Boseiju, Who Endures
24% of 236 decks +4% synergy
Otawara, Soaring City
22% of 236 decks +5% synergy
Yavimaya, Cradle of Growth
19% of 236 decks +9% synergy
Alchemist's Refuge
17% of 236 decks +10% synergy
Mystic Sanctuary
11% of 236 decks -1% synergy
Eiganjo, Seat of the Empire
10% of 236 decks +1% synergy
Temple of the False God
8% of 236 decks -2% synergy
Ancient Tomb
6% of 236 decks -5% synergy
Mana Artifacts
Sol Ring
84% of 236 decks -0% synergy
Arcane Signet
75% of 236 decks +3% synergy
Azorius Signet
28% of 236 decks +2% synergy
Simic Signet
25% of 236 decks +10% synergy
Thought Vessel
12% of 236 decks -5% synergy
Talisman of Curiosity
11% of 236 decks -1% synergy
Selesnya Signet
11% of 236 decks +2% synergy
Fellwar Stone
11% of 236 decks -10% synergy
Talisman of Unity
9% of 236 decks +2% synergy
Talisman of Progress
8% of 236 decks -15% synergy
Commander's Sphere
6% of 236 decks -10% synergy
Decanter of Endless Water
5% of 236 decks +0% synergy
Lands
Command Tower
92% of 236 decks +19% synergy
Spara's Headquarters
75% of 236 decks +43% synergy
Hallowed Fountain
67% of 236 decks +26% synergy
Temple Garden
66% of 236 decks +26% synergy
Breeding Pool
65% of 236 decks +24% synergy
Exotic Orchard
64% of 236 decks +28% synergy
Overgrown Tomb
58% of 12 decks +16% synergy
Rejuvenating Springs
55% of 236 decks +26% synergy
Glacial Fortress
55% of 236 decks +29% synergy
Seaside Citadel
55% of 236 decks +29% synergy
Canopy Vista
55% of 236 decks +19% synergy
Prairie Stream
53% of 236 decks +19% synergy
Godless Shrine
50% of 12 decks +9% synergy
Watery Grave
50% of 12 decks +9% synergy
Sea of Clouds
50% of 236 decks +24% synergy
Bountiful Promenade
49% of 236 decks +25% synergy
Sunpetal Grove
48% of 236 decks +25% synergy
Yavimaya Coast
44% of 236 decks +18% synergy
Hinterland Harbor
34% of 236 decks +7% synergy
Opulent Palace
33% of 12 decks +7% synergy
Raffine's Tower
33% of 12 decks +5% synergy
Zagoth Triome
33% of 12 decks +3% synergy
Windswept Heath
33% of 236 decks +23% synergy
Flooded Strand
33% of 236 decks +22% synergy
Misty Rainforest
31% of 236 decks +19% synergy
Tranquil Landscape
30% of 44 decks +12% synergy
Deserted Beach
29% of 236 decks +13% synergy
Overgrown Farmland
28% of 236 decks +12% synergy
Brokers Hideout
28% of 236 decks +26% synergy
Hedge Maze
27% of 82 decks +13% synergy
Dreamroot Cascade
27% of 236 decks +8% synergy
Evolving Wilds
27% of 236 decks +6% 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
Adarkar Wastes
25% of 236 decks +7% synergy
Brushland
24% of 236 decks +8% synergy
Lush Portico
23% of 82 decks +11% synergy
Tangled Islet
20% of 236 decks +12% synergy
Meticulous Archive
18% of 82 decks +8% synergy
Simic Growth Chamber
16% of 236 decks -4% synergy
Azorius Chancery
16% of 236 decks +1% synergy
Fabled Passage
15% of 236 decks +6% synergy
Arctic Treeline
14% of 236 decks +10% synergy
Selesnya Sanctuary
14% of 236 decks -1% synergy