Magosi, the Waterveil + Rings of Brighthearth + Tidewater Minion

Magosi, the Waterveil
Rings of Brighthearth
Tidewater Minion

Requires
Magosi, the Waterveil must be on the battlefield. Rings of Brighthearth must be on the battlefield. Tidewater Minion must be on the battlefield. Tidewater Minion does not have summoning sickness. Mana needed: 2 each turn
Steps
  1. Activate Magosi's second activated ability by tapping it and paying .
  2. Rings of Brighthearth triggers; choose not to pay for it.
  3. Resolve the Magosi ability, putting an eon counter on Magosi and skipping your next turn.
  4. Activate Tidewater Minion by tapping it targeting Magosi.
  5. Rings of Brighthearth triggers; choose not to pay for it.
  6. Activate Magosi's third activated ability by tapping it, removing an eon counter from it, and returning it to your hand.
  7. Rings of Brighthearth triggers; pay 2 and copy the Magosi ability.
  8. Resolve both copies of the ability, cancelling out your skipped turn and taking an extra turn after this one.
  9. Play Magosi.
  10. Repeat each turn.
Results
Infinite turns.

Memnarch
0.20% of 1469 decks 3 decks
Sharkey, Tyrant of the Shire
2.50% of 80 decks 2 decks
Unctus, Grand Metatect
0.15% of 1310 decks 2 decks
Urza, Lord High Artificer
0.02% of 12657 decks 2 decks
Derevi, Empyrial Tactician
0.01% of 7409 decks 1 decks
Stitcher Geralf
0.60% of 167 decks 1 decks
Niv-Mizzet, Dracogenius
0.63% of 159 decks 1 decks
Alela, Cunning Conqueror
0.01% of 9954 decks 1 decks
Braids, Conjurer Adept
0.03% of 3220 decks 1 decks
The Face of Boe
0.23% of 432 decks 1 decks
Alaundo the Seer
0.04% of 2493 decks 1 decks
Zaxara, the Exemplary
0.01% of 11646 decks 1 decks
Garth One-Eye
0.02% of 4123 decks 1 decks
Hakim, Loreweaver
0.40% of 251 decks 1 decks
Naru Meha, Master Wizard
0.25% of 401 decks 1 decks
Ormos, Archive Keeper
0.32% of 312 decks 1 decks
Jacob Hauken, Inspector
0.09% of 1169 decks 1 decks
Merieke Ri Berit
0.05% of 1829 decks 1 decks
High Synergy Cards
Vizier of Tumbling Sands
82% of 22 decks +81% synergy
Freed from the Real
78% of 23 decks +76% synergy
Ioreth of the Healing House
67% of 12 decks +65% synergy
Lotus Field
64% of 22 decks +62% synergy
Fatestitcher
61% of 23 decks +60% synergy
Aphetto Alchemist
61% of 23 decks +60% synergy
Pemmin's Aura
61% of 23 decks +60% synergy
Kelpie Guide
59% of 22 decks +58% synergy
Deserted Temple
57% of 23 decks +56% synergy
Illusionist's Bracers
57% of 23 decks +55% synergy
Top Cards
Basalt Monolith
70% of 23 decks +67% synergy
Counterspell
65% of 23 decks +22% synergy
Gilded Lotus
57% of 23 decks +53% synergy
Omen Hawker
42% of 12 decks +41% synergy
Fabricate
39% of 23 decks +33% synergy
Clever Conjurer
36% of 22 decks +36% synergy
Dramatic Reversal
36% of 22 decks +31% synergy
Voltaic Key
35% of 23 decks +34% synergy
Training Grounds
35% of 23 decks +32% synergy
Mystical Tutor
35% of 23 decks +20% synergy
Creatures
Eternal Witness
75% of 4 decks +54% synergy
Forensic Researcher
60% of 5 decks +59% synergy
Unctus, Grand Metatect
32% of 19 decks +30% synergy
Pili-Pala
30% of 23 decks +30% synergy
Grand Architect
30% of 23 decks +30% synergy
Drift of Phantasms
30% of 23 decks +29% synergy
Arcanis the Omnipotent
30% of 23 decks +29% synergy
Laboratory Maniac
30% of 23 decks +26% synergy
Archaeomancer
26% of 23 decks +22% synergy
Voltaic Construct
22% of 23 decks +22% synergy
Teferi, Mage of Zhalfir
22% of 23 decks +21% synergy
Deadeye Navigator
22% of 23 decks +19% synergy
Salvager of Secrets
18% of 22 decks +18% synergy
Shipwreck Dowser
18% of 22 decks +18% synergy
Naru Meha, Master Wizard
18% of 22 decks +18% synergy
Hullbreaker Horror
18% of 22 decks +11% synergy
Thassa's Oracle
18% of 22 decks +11% synergy
Scrivener
17% of 23 decks +17% synergy
Captain of the Mists
17% of 23 decks +17% synergy
Filigree Sages
17% of 23 decks +17% synergy
Guile
17% of 23 decks +17% synergy
Mnemonic Wall
17% of 23 decks +17% synergy
Silver Myr
17% of 23 decks +15% synergy
Peregrine Drake
17% of 23 decks +14% synergy
Phyrexian Metamorph
17% of 23 decks +10% synergy
Nimbleclaw Adept
14% of 21 decks +14% synergy
Crackdown Construct
14% of 22 decks +14% synergy
Sphinx of the Second Sun
14% of 22 decks +12% synergy
Faerie Seer
14% of 22 decks +12% synergy
Sakashima of a Thousand Faces
14% of 22 decks +10% synergy
Wake Thrasher
13% of 23 decks +13% synergy
Metalworker
13% of 23 decks +13% synergy
Azami, Lady of Scrolls
13% of 23 decks +12% synergy
Palladium Myr
13% of 23 decks +11% synergy
Trinket Mage
13% of 23 decks +11% synergy
Instants
Mana Drain
35% of 23 decks +20% synergy
Muddle the Mixture
30% of 23 decks +25% synergy
Cyclonic Rift
30% of 23 decks +2% synergy
Jwari Disruption
27% of 22 decks +26% synergy
Ghostly Flicker
26% of 23 decks +21% synergy
An Offer You Can't Refuse
23% of 22 decks +2% synergy
High Tide
22% of 23 decks +18% synergy
Flusterstorm
22% of 23 decks +15% synergy
Arcane Denial
22% of 23 decks +2% synergy
Negate
22% of 23 decks -1% synergy
Defabricate
20% of 20 decks +19% synergy
Blur
19% of 21 decks +18% synergy
Illusionist's Stratagem
18% of 22 decks +18% synergy
Teferi's Time Twist
18% of 22 decks +17% synergy
Displace
18% of 22 decks +17% synergy
Fierce Guardianship
18% of 22 decks +0% synergy
Cryptic Command
17% of 23 decks +15% synergy
Pact of Negation
17% of 23 decks +10% synergy
Force of Will
17% of 23 decks +6% synergy
Pongify
17% of 23 decks +6% synergy
Brainstorm
17% of 23 decks -4% synergy
Whir of Invention
14% of 22 decks +10% synergy
Force of Negation
14% of 22 decks +4% synergy
Swan Song
14% of 22 decks -3% synergy
Spellshift
13% of 23 decks +13% synergy
Mana Leak
13% of 23 decks +11% synergy
Blue Sun's Zenith
13% of 23 decks +10% synergy
Rapid Hybridization
13% of 23 decks +4% synergy
Opt
13% of 23 decks +3% synergy
Sorceries
Demonic Tutor
50% of 6 decks +28% synergy
Baral's Expertise
18% of 22 decks +17% synergy
Blue Sun's Twilight
16% of 19 decks +14% synergy
Reshape
13% of 23 decks +12% synergy
Preordain
13% of 23 decks +2% synergy
Utility Artifacts
Isochron Scepter
30% of 23 decks +28% synergy
Swiftfoot Boots
30% of 23 decks +3% synergy
Thousand-Year Elixir
26% of 23 decks +24% synergy
Lightning Greaves
26% of 23 decks +1% synergy
Expedition Map
22% of 23 decks +18% synergy
Knowledge Pool
17% of 23 decks +17% synergy
Void Mirror
14% of 22 decks +14% synergy
Mana Matrix
13% of 23 decks +13% synergy
Galvanic Key
13% of 23 decks +13% synergy
Omen Machine
13% of 23 decks +13% synergy
Chalice of the Void
13% of 23 decks +13% synergy
Semblance Anvil
13% of 23 decks +12% synergy
Amulet of Vigor
13% of 23 decks +12% synergy
Contagion Engine
13% of 23 decks +12% synergy
Contagion Clasp
13% of 23 decks +12% synergy
Mesmeric Orb
13% of 23 decks +12% synergy
Staff of Domination
13% of 23 decks +11% synergy
Sapphire Medallion
13% of 23 decks +11% synergy
Enchantments
Power Artifact
22% of 23 decks +21% synergy
Rhystic Study
22% of 23 decks -6% synergy
March of the Machines
17% of 23 decks +17% synergy
Eye of the Storm
17% of 23 decks +17% synergy
Arcane Melee
17% of 23 decks +17% synergy
Retreat to Coralhelm
14% of 22 decks +11% synergy
Animate Artifact
13% of 23 decks +13% synergy
Second Wind
13% of 23 decks +13% synergy
Mind Over Matter
13% of 23 decks +13% synergy
Intruder Alarm
13% of 23 decks +11% synergy
Propaganda
13% of 23 decks +2% synergy
Planeswalkers
Jace, Wielder of Mysteries
23% of 22 decks +19% synergy
Karn, the Great Creator
14% of 22 decks +12% synergy
Utility Lands
Coral Atoll
43% of 23 decks +43% synergy
Reliquary Tower
43% of 23 decks +14% synergy
Lotus Vale
35% of 23 decks +35% synergy
Scorched Ruins
35% of 23 decks +35% synergy
Temple of the False God
35% of 23 decks +25% synergy
Tolaria West
30% of 23 decks +29% synergy
Minamo, School at Water's Edge
30% of 23 decks +26% synergy
Arcane Lighthouse
27% of 22 decks +26% synergy
Teferi's Isle
26% of 23 decks +26% synergy
Thespian's Stage
26% of 23 decks +23% synergy
Academy Ruins
26% of 23 decks +21% synergy
Detection Tower
23% of 22 decks +22% synergy
Mystic Sanctuary
23% of 22 decks +10% synergy
Sunscorched Desert
18% of 22 decks +18% synergy
Hall of Storm Giants
18% of 22 decks +17% synergy
Halls of Mist
17% of 23 decks +17% synergy
Oboro, Palace in the Clouds
17% of 23 decks +17% synergy
Maze of Ith
17% of 23 decks +15% synergy
Buried Ruin
17% of 23 decks +12% synergy
Seat of the Synod
17% of 23 decks +11% synergy
Urborg, Tomb of Yawgmoth
17% of 23 decks +8% synergy
Nesting Grounds
14% of 22 decks +12% synergy
Castle Vantress
14% of 22 decks +9% synergy
Karn's Bastion
14% of 22 decks +9% synergy
War Room
14% of 22 decks +7% synergy
Darksteel Citadel
13% of 23 decks +9% synergy
Rogue's Passage
13% of 23 decks -6% synergy
Mana Artifacts
Sol Ring
87% of 23 decks +2% synergy
Arcane Signet
73% of 22 decks +1% synergy
Talisman of Dominance
50% of 6 decks +19% synergy
Chromatic Orrery
32% of 22 decks +30% synergy
Thran Dynamo
30% of 23 decks +26% synergy
Khalni Gem
26% of 23 decks +26% synergy
Grim Monolith
26% of 23 decks +24% synergy
Mana Vault
26% of 23 decks +20% synergy
Fellwar Stone
26% of 23 decks +5% synergy
Empowered Autogenerator
23% of 22 decks +22% synergy
Lotus Petal
22% of 23 decks +15% synergy
Thought Vessel
18% of 22 decks +1% synergy
Paradise Plume
17% of 23 decks +17% synergy
Gauntlet of Power
17% of 23 decks +17% synergy
Coveted Jewel
14% of 22 decks +13% synergy
Gemstone Array
13% of 23 decks +13% synergy
Paradise Mantle
13% of 23 decks +12% synergy
Extraplanar Lens
13% of 23 decks +12% synergy
Caged Sun
13% of 23 decks +11% synergy
Everflowing Chalice
13% of 23 decks +8% synergy
Sky Diamond
13% of 23 decks +8% synergy
Mana Crypt
13% of 23 decks +4% synergy
Chromatic Lantern
13% of 23 decks +3% synergy
Mind Stone
13% of 23 decks -4% synergy
Lands
Simic Growth Chamber
75% of 4 decks +55% synergy
Clearwater Pathway
67% of 6 decks +57% synergy
Command Tower
65% of 23 decks -9% synergy
Choked Estuary
50% of 6 decks +33% synergy
Dimir Aqueduct
50% of 6 decks +33% synergy
Underground River
50% of 6 decks +31% synergy
Morphic Pool
50% of 6 decks +24% synergy
Watery Grave
50% of 6 decks +9% synergy
Exotic Orchard
30% of 23 decks -5% synergy
Myriad Landscape
27% of 22 decks +8% synergy
Polluted Delta
17% of 23 decks +6% synergy
Reflecting Pool
13% of 23 decks +8% synergy