Heidar, Rimewind Master + Parallax Tide + Retreat to Coralhelm + Gauntlet of Power

Heidar, Rimewind Master
Parallax Tide
Retreat to Coralhelm
Gauntlet of Power

Requires
Heidar, Rimewind Master must be on the battlefield. Parallax Tide must be in hand. Retreat to Coralhelm must be on the battlefield. Gauntlet of Power must be on the battlefield. You control at least four untapped basic Islands. Heidar does not have summoning sickness. You control at least four snow permanents. "Blue" chosen with Gauntlet of Power.
Steps
  1. Activate four Islands by tapping them, adding .
  2. Gauntlet of Power 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
2.90% of 69 decks 2 decks
Creatures
Rimewind Taskmage
50% of 2 decks +50% synergy
Frost Augur
50% of 2 decks +50% synergy
Tideforce Elemental
50% of 2 decks +49% synergy
Clever Conjurer
50% of 2 decks +49% synergy
Fatestitcher
50% of 2 decks +48% synergy
Kelpie Guide
50% of 2 decks +48% synergy
Aphetto Alchemist
50% of 2 decks +47% synergy
Vizier of Tumbling Sands
50% of 2 decks +47% synergy
Dreamscape Artist
50% of 2 decks +47% synergy
Tidespout Tyrant
50% of 2 decks +46% synergy
Walking Ballista
50% of 2 decks +46% synergy
Burnished Hart
50% of 2 decks +42% synergy
Trophy Mage
50% of 2 decks +42% synergy
Faerie Mastermind
50% of 2 decks +33% synergy
Solemn Simulacrum
50% of 2 decks +27% synergy
Hullbreaker Horror
50% of 2 decks +26% synergy
Instants
Capsize
100% of 2 decks +95% synergy
Muddle the Mixture
100% of 2 decks +83% synergy
Fierce Guardianship
100% of 2 decks +75% synergy
Swan Song
100% of 2 decks +74% synergy
Mana Drain
100% of 2 decks +72% synergy
Mystical Tutor
100% of 2 decks +71% synergy
An Offer You Can't Refuse
100% of 2 decks +67% synergy
Rapid Hybridization
100% of 2 decks +65% synergy
Cyclonic Rift
100% of 2 decks +59% synergy
High Tide
100% of 2 decks +55% synergy
Long-Term Plans
50% of 2 decks +46% synergy
Brain Freeze
50% of 2 decks +46% synergy
Evacuation
50% of 2 decks +43% synergy
March of Swirling Mist
50% of 2 decks +41% synergy
Flusterstorm
50% of 2 decks +40% synergy
Pact of Negation
50% of 2 decks +38% synergy
Blue Sun's Zenith
50% of 2 decks +36% synergy
Whir of Invention
50% of 2 decks +35% synergy
Snap
50% of 2 decks +35% synergy
Force of Negation
50% of 2 decks +32% synergy
Force of Will
50% of 2 decks +30% synergy
Aetherize
50% of 2 decks +28% synergy
Opt
50% of 2 decks +25% synergy
Reality Shift
50% of 2 decks +20% synergy
Arcane Denial
50% of 2 decks +16% synergy
Negate
50% of 2 decks +10% synergy
Pongify
50% of 2 decks +9% synergy
Brainstorm
50% of 2 decks +5% synergy
Counterspell
50% of 2 decks -19% synergy
Sorceries
Lórien Revealed
100% of 1 decks +88% synergy
Fabricate
100% of 2 decks +76% synergy
Concentrate
50% of 2 decks +49% synergy
Polymorph
50% of 2 decks +47% synergy
Reshape
50% of 2 decks +41% synergy
Merchant Scroll
50% of 2 decks +37% synergy
Sea Gate Restoration
50% of 2 decks +35% synergy
Windfall
50% of 2 decks +25% synergy
Preordain
50% of 2 decks +22% synergy
Ponder
50% of 2 decks +18% synergy
Utility Artifacts
The One Ring
100% of 2 decks +85% synergy
Thaumatic Compass
50% of 2 decks +49% synergy
Staff of Domination
50% of 2 decks +47% synergy
Illusionist's Bracers
50% of 2 decks +47% synergy
Moonsilver Key
50% of 2 decks +46% synergy
Urza's Bauble
50% of 2 decks +46% synergy
Static Orb
50% of 2 decks +46% synergy
Winter Orb
50% of 2 decks +44% synergy
Aetherflux Reservoir
50% of 2 decks +43% synergy
Rings of Brighthearth
50% of 2 decks +42% synergy
Mishra's Bauble
50% of 2 decks +41% synergy
Wayfarer's Bauble
50% of 2 decks +30% synergy
Sapphire Medallion
50% of 2 decks +4% synergy
Enchantments
Stasis
100% of 2 decks +99% synergy
Rhystic Study
100% of 2 decks +61% synergy
Winter's Rest
50% of 2 decks +50% synergy
Reality Acid
50% of 2 decks +50% synergy
Pemmin's Aura
50% of 2 decks +48% synergy
Dress Down
50% of 2 decks +47% synergy
Freed from the Real
50% of 2 decks +47% synergy
Training Grounds
50% of 2 decks +43% synergy
Back to Basics
50% of 2 decks +40% synergy
Imprisoned in the Moon
50% of 2 decks +38% synergy
Mystic Remora
50% of 2 decks +19% synergy
Planeswalkers
Tezzeret the Seeker
50% of 2 decks +39% synergy
Utility Lands
Tolaria West
100% of 2 decks +93% synergy
Academy Ruins
100% of 2 decks +82% synergy
Lotus Vale
50% of 2 decks +50% synergy
Scrying Sheets
50% of 2 decks +50% synergy
Lotus Field
50% of 2 decks +49% synergy
Minamo, School at Water's Edge
50% of 2 decks +40% synergy
Buried Ruin
50% of 2 decks +37% synergy
Urza's Saga
50% of 2 decks +32% synergy
Otawara, Soaring City
50% of 2 decks +23% synergy
Mystic Sanctuary
50% of 2 decks -4% synergy
Mana Artifacts
Arcum's Astrolabe
100% of 2 decks +98% synergy
Coldsteel Heart
100% of 2 decks +97% synergy
Extraplanar Lens
100% of 2 decks +93% synergy
Mana Vault
100% of 2 decks +87% synergy
Caged Sun
100% of 2 decks +85% synergy
Everflowing Chalice
100% of 2 decks +82% synergy
Arcane Signet
100% of 2 decks +35% synergy
Sol Ring
100% of 2 decks +13% synergy
Replicating Ring
50% of 2 decks +47% synergy
Worn Powerstone
50% of 2 decks +44% synergy
Mox Amber
50% of 2 decks +43% synergy
Chrome Mox
50% of 2 decks +39% synergy
Basalt Monolith
50% of 2 decks +39% synergy
Lotus Petal
50% of 2 decks +38% synergy
Gilded Lotus
50% of 2 decks +37% synergy
Thran Dynamo
50% of 2 decks +36% synergy
Sky Diamond
50% of 2 decks +24% synergy
Mind Stone
50% of 2 decks +9% synergy
Lands
Myriad Landscape
50% of 2 decks +22% synergy