Heidar, Rimewind Master + Parallax Tide + Retreat to Coralhelm + Extraplanar Lens

Heidar, Rimewind Master
Parallax Tide
Retreat to Coralhelm
Extraplanar Lens

Requires
Heidar, Rimewind Master must be on the battlefield. Parallax Tide must be in hand. Retreat to Coralhelm must be on the battlefield. Extraplanar Lens must be on the battlefield. You control at least four untapped Islands. Heidar does not have summoning sickness. You control at least four snow permanents. An Island exiled by Extraplanar Lens.
Steps
  1. Activate four Islands by tapping them, adding .
  2. Extraplanar Lens triggers, adding .
  3. Cast Parallax Tide by paying 2.
  4. Activate Parallax Tide four times by removing four fade counters from it, exiling the four tapped Islands.
  5. Activate Heidar by paying 2 and tapping it, returning Parallax Tide from the battlefield to your hand.
  6. When Parallax Tide leaves the battlefield, it triggers, returning all cards exiled with it to the battlefield.
  7. When the Islands enter the battlefield, Retreat to Coralhelm triggers four times, untapping Heidar, and allowing you to untap up to three other creatures you control and/or scry 1 up to three times.
  8. Repeat from step 2.
Results
Infinite blinking of lands you control. Infinite landfall triggers. Infinite mana basic lands you control can produce. Infinite mana creatures you control can produce. Infinite scry 1. Infinite storm count. Infinite untap of creatures you control.

Heidar, Rimewind Master
4.35% of 69 decks 3 decks
Creatures
Harbinger of the Seas
100% of 1 decks +83% synergy
Rimewind Taskmage
67% of 3 decks +67% synergy
Fatestitcher
67% of 3 decks +65% synergy
Vizier of Tumbling Sands
67% of 3 decks +64% synergy
Walking Ballista
67% of 3 decks +62% synergy
Faerie Mastermind
67% of 3 decks +50% synergy
Hullbreaker Horror
67% of 3 decks +43% synergy
Frost Augur
33% of 3 decks +33% synergy
Tideforce Elemental
33% of 3 decks +33% synergy
Clever Conjurer
33% of 3 decks +32% synergy
Palinchron
33% of 3 decks +32% synergy
Barrin, Tolarian Archmage
33% of 3 decks +31% synergy
Cloudkin Seer
33% of 3 decks +31% synergy
Kelpie Guide
33% of 3 decks +31% synergy
Aphetto Alchemist
33% of 3 decks +30% synergy
Dreamscape Artist
33% of 3 decks +30% synergy
Memnarch
33% of 3 decks +30% synergy
Gilded Drake
33% of 3 decks +30% synergy
Tidespout Tyrant
33% of 3 decks +29% synergy
Mulldrifter
33% of 3 decks +25% synergy
Burnished Hart
33% of 3 decks +25% synergy
Trophy Mage
33% of 3 decks +25% synergy
Peregrine Drake
33% of 3 decks +25% synergy
Ornithopter of Paradise
33% of 3 decks +24% synergy
Silver Myr
33% of 3 decks +22% synergy
Consecrated Sphinx
33% of 3 decks +18% synergy
Archaeomancer
33% of 3 decks +17% synergy
Solemn Simulacrum
33% of 3 decks +11% synergy
Instants
Fleeting Reflection
100% of 1 decks +99% synergy
Capsize
100% of 3 decks +95% synergy
An Offer You Can't Refuse
100% of 3 decks +67% synergy
Cyclonic Rift
100% of 3 decks +59% synergy
High Tide
100% of 3 decks +55% synergy
Blue Sun's Zenith
67% of 3 decks +53% synergy
Snap
67% of 3 decks +51% synergy
Muddle the Mixture
67% of 3 decks +50% synergy
Aetherize
67% of 3 decks +45% synergy
Fierce Guardianship
67% of 3 decks +42% synergy
Swan Song
67% of 3 decks +41% synergy
Mana Drain
67% of 3 decks +39% synergy
Mystical Tutor
67% of 3 decks +38% synergy
Arcane Denial
67% of 3 decks +32% synergy
Rapid Hybridization
67% of 3 decks +32% synergy
Negate
67% of 3 decks +27% synergy
Long-Term Plans
33% of 3 decks +30% synergy
Brain Freeze
33% of 3 decks +29% synergy
Evacuation
33% of 3 decks +26% synergy
March of Swirling Mist
33% of 3 decks +24% synergy
Flusterstorm
33% of 3 decks +24% synergy
Unwind
33% of 3 decks +23% synergy
Pact of Negation
33% of 3 decks +21% synergy
Rewind
33% of 3 decks +21% synergy
Whir of Invention
33% of 3 decks +18% synergy
Force of Negation
33% of 3 decks +15% synergy
Force of Will
33% of 3 decks +13% synergy
Resculpt
33% of 3 decks +10% synergy
Opt
33% of 3 decks +8% synergy
Reality Shift
33% of 3 decks +3% synergy
Pongify
33% of 3 decks -8% synergy
Brainstorm
33% of 3 decks -11% synergy
Counterspell
33% of 3 decks -36% synergy
Sorceries
Sea Gate Restoration
67% of 3 decks +51% synergy
Fabricate
67% of 3 decks +43% synergy
Lórien Revealed
50% of 2 decks +38% synergy
Concentrate
33% of 3 decks +33% synergy
Polymorph
33% of 3 decks +31% synergy
Finale of Revelation
33% of 3 decks +28% synergy
Time Warp
33% of 3 decks +26% synergy
Reshape
33% of 3 decks +25% synergy
Merchant Scroll
33% of 3 decks +21% synergy
Windfall
33% of 3 decks +8% synergy
Preordain
33% of 3 decks +6% synergy
Ponder
33% of 3 decks +1% synergy
Utility Artifacts
Winter Moon
100% of 1 decks +92% synergy
The One Ring
100% of 3 decks +85% synergy
Staff of Domination
67% of 3 decks +64% synergy
Illusionist's Bracers
67% of 3 decks +63% synergy
Sapphire Medallion
67% of 3 decks +21% synergy
Weathered Runestone
33% of 3 decks +33% synergy
Thaumatic Compass
33% of 3 decks +32% synergy
Moonsilver Key
33% of 3 decks +30% synergy
Urza's Bauble
33% of 3 decks +29% synergy
Static Orb
33% of 3 decks +29% synergy
Grafdigger's Cage
33% of 3 decks +28% synergy
Winter Orb
33% of 3 decks +27% synergy
Aetherflux Reservoir
33% of 3 decks +27% synergy
Rings of Brighthearth
33% of 3 decks +26% synergy
Mishra's Bauble
33% of 3 decks +24% synergy
Wayfarer's Bauble
33% of 3 decks +13% synergy
Lightning Greaves
33% of 3 decks +7% synergy
Enchantments
Stasis
100% of 3 decks +99% synergy
Rhystic Study
100% of 3 decks +61% synergy
Reality Acid
67% of 3 decks +66% synergy
Pemmin's Aura
67% of 3 decks +65% synergy
Freed from the Real
67% of 3 decks +64% synergy
Training Grounds
67% of 3 decks +60% synergy
Back to Basics
67% of 3 decks +56% synergy
Imprisoned in the Moon
67% of 3 decks +55% synergy
Mystic Remora
67% of 3 decks +36% synergy
Winter's Rest
33% of 3 decks +33% synergy
Frozen Aether
33% of 3 decks +32% synergy
Dress Down
33% of 3 decks +30% synergy
Leyline of Anticipation
33% of 3 decks +23% synergy
Planeswalkers
Utility Lands
Tolaria West
67% of 3 decks +60% synergy
Minamo, School at Water's Edge
67% of 3 decks +56% synergy
Academy Ruins
67% of 3 decks +49% synergy
Otawara, Soaring City
67% of 3 decks +40% synergy
Mystic Sanctuary
67% of 3 decks +13% synergy
Lotus Vale
33% of 3 decks +33% synergy
Scrying Sheets
33% of 3 decks +33% synergy
Lotus Field
33% of 3 decks +32% synergy
Arcane Lighthouse
33% of 3 decks +31% synergy
Field of Ruin
33% of 3 decks +31% synergy
Scavenger Grounds
33% of 3 decks +26% synergy
Riptide Laboratory
33% of 3 decks +21% synergy
Buried Ruin
33% of 3 decks +20% synergy
Urza's Saga
33% of 3 decks +16% synergy
Reliquary Tower
33% of 3 decks -23% synergy
Mana Artifacts
Throne of Eldraine
100% of 1 decks +86% synergy
Sol Ring
100% of 3 decks +13% synergy
Arcum's Astrolabe
67% of 3 decks +65% synergy
Coldsteel Heart
67% of 3 decks +63% synergy
Gauntlet of Power
67% of 3 decks +62% synergy
Basalt Monolith
67% of 3 decks +56% synergy
Mana Vault
67% of 3 decks +54% synergy
Gilded Lotus
67% of 3 decks +53% synergy
Caged Sun
67% of 3 decks +52% synergy
Everflowing Chalice
67% of 3 decks +49% synergy
Mind Stone
67% of 3 decks +26% synergy
Arcane Signet
67% of 3 decks +2% synergy
Replicating Ring
33% of 3 decks +30% synergy
Patriar's Seal
33% of 3 decks +30% synergy
Worn Powerstone
33% of 3 decks +27% synergy
Mox Amber
33% of 3 decks +27% synergy
Chrome Mox
33% of 3 decks +23% synergy
Lotus Petal
33% of 3 decks +21% synergy
Thran Dynamo
33% of 3 decks +19% synergy
Midnight Clock
33% of 3 decks +12% synergy
Sky Diamond
33% of 3 decks +7% synergy
Thought Vessel
33% of 3 decks -17% synergy
Lands
Myriad Landscape
67% of 3 decks +38% synergy