Urza, Lord Protector + The Mightstone and Weakstone + The Chain Veil + Dross Scorpion + Krark-Clan Ironworks

Urza, Lord Protector
The Mightstone and Weakstone
The Chain Veil
Dross Scorpion
Krark-Clan Ironworks

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. Dross Scorpion must be on the battlefield. Krark-Clan Ironworks 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 Krark-Clan Ironworks twice by sacrificing the two Soldiers, adding .
  3. The Soldiers die, triggering Dross Scorpion twice, untapping The Chain Veil and any other artifact you control.
  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 mana artifacts you control can produce. Infinite sacrifice triggers. Infinite untap of artifacts you control.

Urza, Lord Protector
0.02% of 4492 decks 1 decks
Creatures
Urza's Avenger
100% of 1 decks +100% synergy
Urza's Engine
100% of 1 decks +100% synergy
Great Whale
100% of 1 decks +100% synergy
Scaretiller
100% of 1 decks +99% synergy
Urza, Powerstone Prodigy
100% of 1 decks +99% synergy
Wurmcoil Engine
100% of 1 decks +99% synergy
Scrap Trawler
100% of 1 decks +98% synergy
Karn, Legacy Reforged
100% of 1 decks +98% synergy
Loyal Inventor
100% of 1 decks +97% synergy
Liberator, Urza's Battlethopter
100% of 1 decks +96% synergy
Urza, Prince of Kroog
100% of 1 decks +96% synergy
Deadeye Navigator
100% of 1 decks +95% synergy
Urza, Lord High Artificer
100% of 1 decks +95% synergy
Phyrexian Metamorph
100% of 1 decks +92% synergy
The Reality Chip
100% of 1 decks +92% synergy
Sai, Master Thopterist
100% of 1 decks +90% synergy
Emry, Lurker of the Loch
100% of 1 decks +88% synergy
Foundry Inspector
100% of 1 decks +87% synergy
Etherium Sculptor
100% of 1 decks +86% synergy
Esper Sentinel
100% of 1 decks +78% synergy
Solemn Simulacrum
100% of 1 decks +74% synergy
Instants
Urza's Command
100% of 1 decks +99% synergy
Urza's Rebuff
100% of 1 decks +96% synergy
Desynchronization
100% of 1 decks +96% synergy
Whir of Invention
100% of 1 decks +93% synergy
Counterspell
100% of 1 decks +45% synergy
Swords to Plowshares
100% of 1 decks +28% synergy
Sorceries
Urza's Ruinous Blast
100% of 1 decks +99% synergy
Fabricate
100% of 1 decks +89% synergy
Utility Artifacts
Sunglasses of Urza
100% of 1 decks +100% synergy
Urza's Miter
100% of 1 decks +100% synergy
Urza's Chalice
100% of 1 decks +100% synergy
Urza's Filter
100% of 1 decks +100% synergy
Urza's Tome
100% of 1 decks +100% synergy
Urza's Blueprints
100% of 1 decks +100% synergy
Urza's Armor
100% of 1 decks +100% synergy
Glasses of Urza
100% of 1 decks +100% synergy
Blade of Shared Souls
100% of 1 decks +100% synergy
Urza's Bauble
100% of 1 decks +99% synergy
Urza's Sylex
100% of 1 decks +99% synergy
Urza's Incubator
100% of 1 decks +99% synergy
Moonsilver Key
100% of 1 decks +97% synergy
Sculpting Steel
100% of 1 decks +96% synergy
Mystic Forge
100% of 1 decks +96% synergy
Simulacrum Synthesizer
100% of 1 decks +95% synergy
Sensei's Divining Top
100% of 1 decks +92% synergy
Unwinding Clock
100% of 1 decks +87% synergy
Lightning Greaves
100% of 1 decks +81% synergy
Enchantments
Urza Assembles the Titans
100% of 1 decks +100% synergy
Future Sight
100% of 1 decks +99% synergy
One with the Multiverse
100% of 1 decks +98% synergy
Retreat to Coralhelm
100% of 1 decks +96% synergy
Planeswalkers
Karn, Scion of Urza
100% of 1 decks +99% synergy
Tezzeret, Betrayer of Flesh
100% of 1 decks +95% synergy
Utility Lands
Urza's Factory
100% of 1 decks +99% synergy
Urza's Workshop
100% of 1 decks +99% synergy
Urza's Power Plant
100% of 1 decks +98% synergy
Urza's Tower
100% of 1 decks +98% synergy
Urza's Mine
100% of 1 decks +98% synergy
Karn's Bastion
100% of 1 decks +98% synergy
Monumental Henge
100% of 1 decks +95% synergy
Rivendell
100% of 1 decks +92% synergy
Temple of the False God
100% of 1 decks +91% synergy
Archway of Innovation
100% of 1 decks +91% synergy
Academy Ruins
100% of 1 decks +90% synergy
Urza's Saga
100% of 1 decks +89% synergy
Mystic Sanctuary
100% of 1 decks +79% synergy
Mana Artifacts
Crystal Skull, Isu Spyglass
100% of 1 decks +95% synergy
Chrome Mox
100% of 1 decks +94% synergy
Marble Diamond
100% of 1 decks +89% synergy
Sky Diamond
100% of 1 decks +88% synergy
Talisman of Progress
100% of 1 decks +54% synergy
Azorius Signet
100% of 1 decks +35% synergy
Arcane Signet
100% of 1 decks +15% synergy
Sol Ring
100% of 1 decks +12% synergy
Lands
Gateway Plaza
100% of 1 decks +100% synergy
Urza's Cave
100% of 1 decks +97% synergy
Razortide Bridge
100% of 1 decks +86% synergy
Flooded Strand
100% of 1 decks +72% synergy
Adarkar Wastes
100% of 1 decks +65% synergy
Deserted Beach
100% of 1 decks +64% synergy
Sea of Clouds
100% of 1 decks +58% synergy
Hallowed Fountain
100% of 1 decks +53% synergy
Port Town
100% of 1 decks +50% synergy
Glacial Fortress
100% of 1 decks +46% synergy
Prairie Stream
100% of 1 decks +32% synergy
Command Tower
100% of 1 decks +14% synergy