Phelia, Exuberant Shepherd + Wormfang Manta + Tocatli Honor Guard

Phelia, Exuberant Shepherd
Wormfang Manta
Tocatli Honor Guard

Requires
Phelia, Exuberant Shepherd must be on the battlefield. Wormfang Manta must be on the battlefield. Tocatli Honor Guard must be on the battlefield. Phelia does not have summoning sickness, and cannot be blocked and killed by an opponent.
Steps
  1. Declare Phelia as an attacker.
  2. Phelia triggers, exiling Wormfang Manta.
  3. When Wormfang Manta leaves the battlefield, its second ability triggers, causing you to take an extra turn after this one.
  4. At the beginning of your end step, Phelia triggers, returning Wormfang Manta from exile to the battlefield, and putting a +1/+1 counter on Phelia.
  5. Wormfang Manta's first ability does not trigger when it enters the battlefield due to Tocatli Honor Guard.
  6. Repeat each turn.
Results
Infinite turns.

Abuelo, Ancestral Echo
0.16% of 609 decks 1 decks
Ephara, God of the Polis
0.06% of 1558 decks 1 decks
Creatures
Hushwing Gryff
100% of 2 decks +99% synergy
Hydroelectric Specimen
100% of 1 decks +84% synergy
Spawnsire of Ulamog
50% of 2 decks +50% synergy
Signal Pest
50% of 2 decks +50% synergy
Adipose Offspring
50% of 2 decks +50% synergy
Aven Riftwatcher
50% of 2 decks +50% synergy
Meadowboon
50% of 2 decks +50% synergy
Vesperlark
50% of 2 decks +50% synergy
Esquire of the King
50% of 2 decks +50% synergy
Alhammarret, High Arbiter
50% of 2 decks +50% synergy
Shrieking Drake
50% of 2 decks +50% synergy
Jazal Goldmane
50% of 2 decks +50% synergy
Archaeomender
50% of 2 decks +50% synergy
Galepowder Mage
50% of 2 decks +50% synergy
Skyclave Cleric
50% of 2 decks +50% synergy
Sunscape Familiar
50% of 2 decks +50% synergy
Aether Adept
50% of 2 decks +50% synergy
Benalish Marshal
50% of 2 decks +50% synergy
Mistmeadow Vanisher
50% of 2 decks +50% synergy
Deranged Assistant
50% of 2 decks +50% synergy
Hero of Bladehold
50% of 2 decks +50% synergy
Luminarch Aspirant
50% of 2 decks +49% synergy
Brazen Borrower
50% of 2 decks +49% synergy
Giver of Runes
50% of 2 decks +49% synergy
Boreas Charger
50% of 2 decks +49% synergy
Sally Sparrow
50% of 2 decks +49% synergy
Adeline, Resplendent Cathar
50% of 2 decks +49% synergy
Tidal Barracuda
50% of 2 decks +48% synergy
Skyhunter Strike Force
50% of 2 decks +48% synergy
Stormscape Familiar
50% of 2 decks +48% synergy
Azor, the Lawbringer
50% of 2 decks +48% synergy
Strict Proctor
50% of 2 decks +48% synergy
Glen Elendra Archmage
50% of 2 decks +48% synergy
Ojer Pakpatiq, Deepest Epoch
50% of 2 decks +48% synergy
Weathered Wayfarer
50% of 2 decks +48% synergy
Reveillark
50% of 2 decks +47% synergy
Twining Twins
50% of 2 decks +47% synergy
Linvala, Shield of Sea Gate
50% of 2 decks +47% synergy
Circuit Mender
50% of 2 decks +47% synergy
Doorkeeper Thrull
50% of 2 decks +47% synergy
Eldrazi Displacer
50% of 2 decks +47% synergy
Glasspool Mimic
50% of 2 decks +47% synergy
Final-Word Phantom
50% of 2 decks +46% synergy
Elesh Norn, Grand Cenobite
50% of 2 decks +46% synergy
Mother of Runes
50% of 2 decks +46% synergy
Genku, Future Shaper
50% of 2 decks +46% synergy
Deep Gnome Terramancer
50% of 2 decks +46% synergy
Boromir, Warden of the Tower
50% of 2 decks +46% synergy
Hushbringer
50% of 2 decks +46% synergy
Preston, the Vanisher
50% of 2 decks +46% synergy
Instants
Razorgrass Ambush
100% of 1 decks +94% synergy
Sink into Stupor
100% of 1 decks +77% synergy
Cyclonic Rift
100% of 2 decks +72% synergy
Path to Exile
100% of 2 decks +50% synergy
Lae'zel's Acrobatics
50% of 2 decks +45% synergy
Flare of Fortitude
50% of 2 decks +44% synergy
Akroma's Will
50% of 2 decks +44% synergy
Fierce Guardianship
50% of 2 decks +33% synergy
Mystical Tutor
50% of 2 decks +32% synergy
Teferi's Protection
50% of 2 decks +30% synergy
Negate
50% of 2 decks +21% synergy
Dovin's Veto
50% of 2 decks +12% synergy
Counterspell
50% of 2 decks -4% synergy
Swords to Plowshares
50% of 2 decks -22% synergy
Sorceries
Approach of the Second Sun
100% of 2 decks +82% synergy
Abuelo's Awakening
50% of 2 decks +50% synergy
Hour of Revelation
50% of 2 decks +48% synergy
Winds of Abandon
50% of 2 decks +47% synergy
Ondu Inversion
50% of 2 decks +46% synergy
Austere Command
50% of 2 decks +34% synergy
Farewell
50% of 2 decks +30% synergy
Supreme Verdict
50% of 2 decks +21% synergy
Utility Artifacts
Aether Vial
50% of 2 decks +50% synergy
Azor's Gateway
50% of 2 decks +50% synergy
Matzalantli, the Great Door
50% of 2 decks +49% synergy
Scroll of Fate
50% of 2 decks +49% synergy
Torpor Orb
50% of 2 decks +48% synergy
Conjurer's Closet
50% of 2 decks +45% synergy
Strionic Resonator
50% of 2 decks +45% synergy
Panharmonicon
50% of 2 decks +41% synergy
Wayfarer's Bauble
50% of 2 decks +34% synergy
Enchantments
Felidar Retreat
50% of 2 decks +48% synergy
Intruder Alarm
50% of 2 decks +45% synergy
Wizard Class
50% of 2 decks +43% synergy
Teleportation Circle
50% of 2 decks +41% synergy
Propaganda
50% of 2 decks +30% synergy
Ghostly Prison
50% of 2 decks +26% synergy
Planeswalkers
Dovin Baan
50% of 2 decks +49% synergy
Teferi, Hero of Dominaria
50% of 2 decks +47% synergy
Venser, the Sojourner
50% of 2 decks +46% synergy
Teferi, Who Slows the Sunset
50% of 2 decks +44% synergy
Utility Lands
Winding Canyons
50% of 2 decks +50% synergy
Kjeldoran Outpost
50% of 2 decks +50% synergy
Detection Tower
50% of 2 decks +49% synergy
Emeria, the Sky Ruin
50% of 2 decks +48% synergy
Emergence Zone
50% of 2 decks +48% synergy
Strip Mine
50% of 2 decks +47% synergy
Hall of Heliod's Generosity
50% of 2 decks +44% synergy
Moorland Haunt
50% of 2 decks +43% synergy
Minas Tirith
50% of 2 decks +42% synergy
Mystic Sanctuary
50% of 2 decks +28% synergy
Reliquary Tower
50% of 2 decks +4% synergy
Mana Artifacts
Sol Ring
100% of 2 decks +11% synergy
Thought Vessel
50% of 2 decks +10% synergy
Talisman of Progress
50% of 2 decks +6% synergy
Arcane Signet
50% of 2 decks -35% synergy
Lands
Mystic Gate
100% of 2 decks +83% synergy
Deserted Beach
100% of 2 decks +65% synergy
Sea of Clouds
100% of 2 decks +58% synergy
Glacial Fortress
100% of 2 decks +48% synergy
Prairie Stream
100% of 2 decks +32% synergy
Command Tower
100% of 2 decks +14% synergy
Lonely Arroyo
50% of 2 decks +44% synergy
Fabled Passage
50% of 2 decks +42% synergy
Seachrome Coast
50% of 2 decks +39% synergy
Hengegate Pathway
50% of 2 decks +27% synergy
Irrigated Farmland
50% of 2 decks +27% synergy
Meticulous Archive
50% of 2 decks +26% synergy
Nimbus Maze
50% of 2 decks +23% synergy
Adarkar Wastes
50% of 2 decks +17% synergy
Skycloud Expanse
50% of 2 decks +16% synergy
Azorius Chancery
50% of 2 decks +10% synergy
Hallowed Fountain
50% of 2 decks +3% synergy
Port Town
50% of 2 decks +1% synergy