Urza, Lord Protector + The Mightstone and Weakstone + The Chain Veil + Clock of Omens + Ashnod's Altar

Urza, Lord Protector
The Mightstone and Weakstone
The Chain Veil
Clock of Omens
Ashnod's Altar

Requires
Urza, Lord Protector must be on the battlefield. The Mightstone and Weakstone must be on the battlefield. The Chain Veil must be on the battlefield. Clock of Omens must be on the battlefield. Ashnod's Altar must be on the battlefield. Urza, Lord Protector and The Mightstone and Weakstone melded into Urza, Planeswalker.
Steps
  1. Activate Urza, Planeswalker's third loyalty ability by putting no loyalty counters on it, creating two 1/1 Soldier artifact creature tokens.
  2. Activate Clock of Omens by tapping the two Soldiers, untapping The Chain Veil.
  3. Activate Ashnod's Altar twice by sacrificing the two Soldiers, adding .
  4. Activate The Chain Veil by paying 4 and tapping it, allowing you an additional activation of your planeswalkers' loyalty abilities this turn.
  5. Repeat.
Results
Infinite activations of loyalty abilities of all other Planeswalkers you control. Infinite death triggers. Infinite ETB. Infinite LTB. Infinite sacrifice triggers.

Shorikai, Genesis Engine
0.01% of 17235 decks 2 decks
Urza, Lord Protector
0.04% of 4447 decks 2 decks
Tawnos, Solemn Survivor
0.11% of 937 decks 1 decks
High Synergy Cards
Tezzeret the Seeker
80% of 5 decks +77% synergy
Unwinding Clock
80% of 5 decks +77% synergy
Phyrexian Metamorph
80% of 5 decks +73% synergy
Swords to Plowshares
80% of 5 decks +17% synergy
Creatures
Inquisitor Eisenhorn
100% of 1 decks +100% synergy
Imotekh the Stormlord
100% of 1 decks +99% synergy
Skithiryx, the Blight Dragon
100% of 1 decks +99% synergy
Mondrak, Glory Dominus
100% of 2 decks +91% synergy
Urza, Lord High Artificer
60% of 5 decks +57% synergy
Esper Sentinel
60% of 5 decks +39% synergy
Karn, Legacy Reforged
50% of 2 decks +49% synergy
Doorkeeper Thrull
50% of 2 decks +49% synergy
Prince Imrahil the Fair
50% of 2 decks +46% synergy
Moonshaker Cavalry
50% of 2 decks +46% synergy
Urza, Prince of Kroog
40% of 5 decks +37% synergy
The Reality Chip
40% of 5 decks +36% synergy
Laboratory Maniac
40% of 5 decks +35% synergy
Grand Abolisher
40% of 5 decks +31% synergy
Solemn Simulacrum
40% of 5 decks +26% synergy
Filigree Sages
20% of 5 decks +20% synergy
Auriok Steelshaper
20% of 5 decks +20% synergy
Thran Spider
20% of 5 decks +20% synergy
Mirran Spy
20% of 5 decks +20% synergy
Belisarius Cawl
20% of 5 decks +20% synergy
Reidane, God of the Worthy
20% of 5 decks +19% synergy
Drafna, Founder of Lat-Nam
20% of 5 decks +19% synergy
Triplicate Titan
20% of 5 decks +19% synergy
Minn, Wily Illusionist
20% of 5 decks +19% synergy
Research Thief
20% of 5 decks +19% synergy
Cloudsteel Kirin
20% of 5 decks +19% synergy
Digsite Engineer
20% of 5 decks +19% synergy
Kotori, Pilot Prodigy
20% of 5 decks +19% synergy
Blightsteel Colossus
20% of 5 decks +18% synergy
Oswald Fiddlebender
20% of 5 decks +18% synergy
Wurmcoil Engine
20% of 5 decks +18% synergy
Myr Battlesphere
20% of 5 decks +18% synergy
Bronze Guardian
20% of 5 decks +18% synergy
Trinket Mage
20% of 5 decks +18% synergy
Bennie Bracks, Zoologist
20% of 5 decks +18% synergy
Cyberdrive Awakener
20% of 5 decks +18% synergy
Walking Ballista
20% of 5 decks +17% synergy
Psychosis Crawler
20% of 5 decks +17% synergy
Wonder
20% of 5 decks +17% synergy
Thought Monitor
20% of 5 decks +17% synergy
The Council of Four
20% of 5 decks +16% synergy
Chasm Skulker
20% of 5 decks +16% synergy
Emry, Lurker of the Loch
20% of 5 decks +16% synergy
Foundry Inspector
20% of 5 decks +16% synergy
Ornithopter of Paradise
20% of 5 decks +16% synergy
Etherium Sculptor
20% of 5 decks +15% synergy
Archivist of Oghma
20% of 5 decks +14% synergy
Drannith Magistrate
20% of 5 decks +13% synergy
Spark Double
20% of 5 decks +13% synergy
Instants
Deny the Witch
100% of 1 decks +98% synergy
Strix Serenade
100% of 1 decks +93% synergy
Mana Drain
60% of 5 decks +45% synergy
Enlightened Tutor
60% of 5 decks +42% synergy
Teferi's Protection
60% of 5 decks +40% synergy
An Offer You Can't Refuse
60% of 5 decks +39% synergy
Cyclonic Rift
60% of 5 decks +32% synergy
Path to Exile
60% of 5 decks +14% synergy
Reenact the Crime
50% of 2 decks +49% synergy
Disallow
40% of 5 decks +38% synergy
Heliod's Intervention
40% of 5 decks +37% synergy
Force of Negation
40% of 5 decks +31% synergy
Mystical Tutor
40% of 5 decks +25% synergy
Fierce Guardianship
40% of 5 decks +22% synergy
Dovin's Veto
40% of 5 decks +21% synergy
Counterspell
40% of 5 decks -3% synergy
Time Stop
20% of 5 decks +20% synergy
Reality Heist
20% of 5 decks +20% synergy
Discontinuity
20% of 5 decks +20% synergy
Stern Lesson
20% of 5 decks +20% synergy
Stifle
20% of 5 decks +19% synergy
Alchemist's Retrieval
20% of 5 decks +19% synergy
Defabricate
20% of 5 decks +19% synergy
Foil
20% of 5 decks +19% synergy
Tolarian Winds
20% of 5 decks +19% synergy
Nexus of Fate
20% of 5 decks +18% synergy
Mana Leak
20% of 5 decks +18% synergy
Whir of Invention
20% of 5 decks +17% synergy
Spell Pierce
20% of 5 decks +16% synergy
Return to Dust
20% of 5 decks +16% synergy
Resculpt
20% of 5 decks +15% synergy
Silence
20% of 5 decks +14% synergy
Pact of Negation
20% of 5 decks +13% synergy
Flawless Maneuver
20% of 5 decks +10% synergy
Force of Will
20% of 5 decks +9% synergy
Arcane Denial
20% of 5 decks +0% synergy
Brainstorm
20% of 5 decks -1% synergy
Generous Gift
20% of 5 decks -6% synergy
Sorceries
Fabricate
60% of 5 decks +54% synergy
Wrath of God
40% of 5 decks +33% synergy
Sevinne's Reclamation
40% of 5 decks +33% synergy
Supreme Verdict
40% of 5 decks +26% synergy
Repair and Recharge
20% of 5 decks +20% synergy
Call the Gatewatch
20% of 5 decks +20% synergy
Triumphant Reckoning
20% of 5 decks +20% synergy
Stolen Identity
20% of 5 decks +19% synergy
One with the Machine
20% of 5 decks +19% synergy
Time Warp
20% of 5 decks +18% synergy
Brilliant Restoration
20% of 5 decks +18% synergy
Rite of Replication
20% of 5 decks +17% synergy
Thoughtcast
20% of 5 decks +17% synergy
Vanquish the Horde
20% of 5 decks +16% synergy
Sea Gate Restoration
20% of 5 decks +15% synergy
Idyllic Tutor
20% of 5 decks +15% synergy
Gitaxian Probe
20% of 5 decks +14% synergy
Preordain
20% of 5 decks +9% synergy
Austere Command
20% of 5 decks +7% synergy
Ponder
20% of 5 decks +7% synergy
Farewell
20% of 5 decks +7% synergy
Utility Artifacts
Cranial Plating
100% of 1 decks +98% synergy
Wishclaw Talisman
100% of 1 decks +95% synergy
Sculpting Steel
60% of 5 decks +58% synergy
Sensei's Divining Top
60% of 5 decks +55% synergy
Tinker's Tote
50% of 2 decks +50% synergy
Hexgold Hoverwings
50% of 2 decks +50% synergy
Glimmer Lens
50% of 2 decks +49% synergy
Encroaching Mycosynth
50% of 2 decks +49% synergy
Ichormoon Gauntlet
50% of 2 decks +48% synergy
The Indomitable
50% of 2 decks +47% synergy
Urza's Sylex
40% of 5 decks +40% synergy
Voltaic Key
40% of 5 decks +39% synergy
Staff of Domination
40% of 5 decks +38% synergy
Mystic Forge
40% of 5 decks +37% synergy
Urza's Armor
20% of 5 decks +20% synergy
Galvanic Key
20% of 5 decks +20% synergy
Karn's Sylex
20% of 5 decks +20% synergy
Fleetfeather Sandals
20% of 5 decks +20% synergy
Chariot of Victory
20% of 5 decks +20% synergy
Golem-Skin Gauntlets
20% of 5 decks +20% synergy
Gerrard's Hourglass Pendant
20% of 5 decks +20% synergy
Brass Knuckles
20% of 5 decks +20% synergy
Resurrection Orb
20% of 5 decks +19% synergy
Torpor Orb
20% of 5 decks +19% synergy
Winter Orb
20% of 5 decks +19% synergy
Quietus Spike
20% of 5 decks +19% synergy
Semblance Anvil
20% of 5 decks +19% synergy
Mycosynth Lattice
20% of 5 decks +19% synergy
Temple Bell
20% of 5 decks +19% synergy
Perpetual Timepiece
20% of 5 decks +19% synergy
Krark-Clan Ironworks
20% of 5 decks +19% synergy
Sword of Fire and Ice
20% of 5 decks +19% synergy
Mimic Vat
20% of 5 decks +19% synergy
Trading Post
20% of 5 decks +19% synergy
Eldrazi Monument
20% of 5 decks +19% synergy
Parhelion II
20% of 5 decks +19% synergy
Thran Power Suit
20% of 5 decks +19% synergy
Moonsilver Key
20% of 5 decks +19% synergy
Lithoform Engine
20% of 5 decks +19% synergy
Darksteel Plate
20% of 5 decks +18% synergy
Fireshrieker
20% of 5 decks +18% synergy
Rings of Brighthearth
20% of 5 decks +18% synergy
Hammer of Nazahn
20% of 5 decks +18% synergy
Imposter Mech
20% of 5 decks +18% synergy
Cloud Key
20% of 5 decks +18% synergy
Loxodon Warhammer
20% of 5 decks +18% synergy
Thousand-Year Elixir
20% of 5 decks +18% synergy
Sword of Hearth and Home
20% of 5 decks +18% synergy
Crucible of Worlds
20% of 5 decks +17% synergy
Halo Fountain
20% of 5 decks +17% synergy
Enchantments
Smothering Tithe
60% of 5 decks +35% synergy
Court of Vantress
50% of 2 decks +48% synergy
Thopter Spy Network
40% of 5 decks +37% synergy
Humility
20% of 5 decks +20% synergy
Mind Over Matter
20% of 5 decks +20% synergy
Copy Artifact
20% of 5 decks +19% synergy
Mirrodin Besieged
20% of 5 decks +18% synergy
Divine Visitation
20% of 5 decks +18% synergy
Intruder Alarm
20% of 5 decks +18% synergy
Smuggler's Share
20% of 5 decks +18% synergy
Mirrormade
20% of 5 decks +18% synergy
Training Grounds
20% of 5 decks +17% synergy
Ominous Seas
20% of 5 decks +17% synergy
Oath of Teferi
20% of 5 decks +16% synergy
Authority of the Consuls
20% of 5 decks +16% synergy
Leyline of Anticipation
20% of 5 decks +16% synergy
Blind Obedience
20% of 5 decks +13% synergy
Anointed Procession
20% of 5 decks +11% synergy
Mystic Remora
20% of 5 decks +2% synergy
Rhystic Study
20% of 5 decks -8% synergy
Planeswalkers
Dakkon, Shadow Slayer
100% of 1 decks +98% synergy
Teferi, Temporal Archmage
60% of 5 decks +59% synergy
Tezzeret, Betrayer of Flesh
60% of 5 decks +59% synergy
Narset, Parter of Veils
40% of 5 decks +35% synergy
Karn Liberated
20% of 5 decks +20% synergy
Nahiri, the Lithomancer
20% of 5 decks +20% synergy
Karn, Living Legacy
20% of 5 decks +19% synergy
Tezzeret, Artifice Master
20% of 5 decks +19% synergy
Karn, the Great Creator
20% of 5 decks +19% synergy
Ugin, the Spirit Dragon
20% of 5 decks +19% synergy
Teferi, Temporal Pilgrim
20% of 5 decks +18% synergy
Teferi, Hero of Dominaria
20% of 5 decks +18% synergy
Teferi, Who Slows the Sunset
20% of 5 decks +18% synergy
Jace, Wielder of Mysteries
20% of 5 decks +16% synergy
Teferi, Time Raveler
20% of 5 decks +13% synergy
Utility Lands
Restless Fortress
100% of 1 decks +97% synergy
Castle Locthwain
100% of 1 decks +95% synergy
Urza's Saga
60% of 5 decks +53% synergy
Otawara, Soaring City
60% of 5 decks +43% synergy
Reliquary Tower
60% of 5 decks +30% synergy
Restless Anchorage
50% of 2 decks +47% synergy
Ancient Den
40% of 5 decks +35% synergy
Seat of the Synod
40% of 5 decks +34% synergy
Rogue's Passage
40% of 5 decks +21% synergy
Tocasia's Dig Site
20% of 5 decks +20% synergy
Urza's Factory
20% of 5 decks +20% synergy
Mech Hangar
20% of 5 decks +19% synergy
Tectonic Edge
20% of 5 decks +19% synergy
Calciform Pools
20% of 5 decks +19% synergy
Urza's Workshop
20% of 5 decks +19% synergy
Urza's Power Plant
20% of 5 decks +18% synergy
Mikokoro, Center of the Sea
20% of 5 decks +18% synergy
Urza's Mine
20% of 5 decks +18% synergy
Urza's Tower
20% of 5 decks +18% synergy
Ghost Quarter
20% of 5 decks +18% synergy
Treasure Vault
20% of 5 decks +17% synergy
Maze of Ith
20% of 5 decks +17% synergy
Field of the Dead
20% of 5 decks +17% synergy
Inventors' Fair
20% of 5 decks +16% synergy
Darksteel Citadel
20% of 5 decks +16% synergy
Minamo, School at Water's Edge
20% of 5 decks +16% synergy
Command Beacon
20% of 5 decks +15% synergy
Academy Ruins
20% of 5 decks +15% synergy
Buried Ruin
20% of 5 decks +15% synergy
War Room
20% of 5 decks +14% synergy
Eiganjo, Seat of the Empire
20% of 5 decks +11% synergy
Ancient Tomb
20% of 5 decks +10% synergy
Mana Artifacts
Sol Ring
100% of 5 decks +16% synergy
Chromatic Orrery
60% of 5 decks +58% synergy
Arcane Signet
60% of 5 decks -12% synergy
The Irencrag
50% of 2 decks +49% synergy
Decanter of Endless Water
40% of 5 decks +35% synergy
Mana Vault
40% of 5 decks +34% synergy
Mana Crypt
40% of 5 decks +32% synergy
Thought Vessel
40% of 5 decks +23% synergy
Fellwar Stone
40% of 5 decks +19% synergy
Azorius Signet
40% of 5 decks +14% synergy
Powerstone Shard
20% of 5 decks +20% synergy
Empowered Autogenerator
20% of 5 decks +20% synergy
Vexing Puzzlebox
20% of 5 decks +19% synergy
Basalt Monolith
20% of 5 decks +17% synergy
Gilded Lotus
20% of 5 decks +17% synergy
Mox Amber
20% of 5 decks +16% synergy
Mox Opal
20% of 5 decks +16% synergy
Thran Dynamo
20% of 5 decks +15% synergy
Commander's Sphere
20% of 5 decks +5% synergy
Mind Stone
20% of 5 decks +3% synergy
Talisman of Progress
20% of 5 decks -3% synergy
Lands
Orzhov Guildgate
100% of 1 decks +95% synergy
Darkslick Shores
100% of 1 decks +95% synergy
Concealed Courtyard
100% of 1 decks +94% synergy
Scoured Barrens
100% of 1 decks +91% synergy
Shineshadow Snarl
100% of 1 decks +88% synergy
Undercity Sewers
100% of 1 decks +86% synergy
Choked Estuary
100% of 1 decks +83% synergy
Temple of Silence
100% of 1 decks +82% synergy
Underground River
100% of 1 decks +80% synergy
Watery Grave
100% of 1 decks +59% synergy
Command Tower
100% of 5 decks +26% synergy
Adarkar Wastes
80% of 5 decks +63% synergy
Flooded Strand
60% of 5 decks +49% synergy
Prairie Stream
60% of 5 decks +26% synergy
Hallowed Fountain
60% of 5 decks +19% synergy
Scene of the Crime
50% of 2 decks +49% synergy
The Mycosynth Gardens
50% of 2 decks +48% synergy
Meticulous Archive
50% of 2 decks +40% synergy
Hall of Tagsin
40% of 5 decks +40% synergy
Mystic Gate
40% of 5 decks +34% synergy
Razortide Bridge
40% of 5 decks +33% synergy
Windswept Heath
40% of 5 decks +30% synergy
Arid Mesa
40% of 5 decks +29% synergy
Scalding Tarn
40% of 5 decks +29% synergy
Marsh Flats
40% of 5 decks +29% synergy
Polluted Delta
40% of 5 decks +29% synergy
Misty Rainforest
40% of 5 decks +28% synergy
Tundra
40% of 5 decks +26% synergy
Azorius Chancery
40% of 5 decks +25% synergy
Deserted Beach
40% of 5 decks +24% synergy
Myriad Landscape
40% of 5 decks +20% synergy
Sea of Clouds
40% of 5 decks +14% synergy
Ash Barrens
20% of 5 decks +15% synergy
Reflecting Pool
20% of 5 decks +15% synergy
Prismatic Vista
20% of 5 decks +15% synergy
Mana Confluence
20% of 5 decks +13% synergy
Hengegate Pathway
20% of 5 decks +12% synergy
Port Town
20% of 5 decks +4% synergy
Terramorphic Expanse
20% of 5 decks +4% synergy
Evolving Wilds
20% of 5 decks -1% synergy