Mendicant Core, Guidelight
Urza, Lord High Artificer
Worldwalker Helm

   Prerequisites

What do I need to start this combo?
Worldwalker Helm in hand.
Mendicant Core and Urza on the battlefield.
You have max speed.
4 available

   Steps

How does this combo work?
1
Cast Worldwalker Helm by paying 2.
2
Mendicant Core triggers, causing you to pay 1 to copy the Worldwalker Helm spell.
3
Resolve both Worldwalker Helm spells.
4
Activate Urza by tapping a Worldwalker Helm, adding .
5
Activate a Worldwalker Helm by paying 1 and tapping it, creating a token copy of the Worldwalker Helm token plus an additional Map token for each Worldwalker Helm you control.
6
Activate Urza twice by tapping two Map tokens, adding .
7
Repeat from step 5.

   Results

What do I get from this combo?
Infinite blue mana
Exile your library
Cast all cards in your library without paying their mana costs
Infinite Map tokens
Infinite Worldwalker Helm tokens
Tidus, Blitzball Star
2.05% of 391 decks 8 decks
Noctis, Prince of Lucis
0.17% of 4153 decks 7 decks
Top Commanders
Mendicant Core, Guidelight
13.15% of 8966 decks 1179 decks
Urza, Chief Artificer
2.67% of 6787 decks 181 decks
Breya, Etherium Shaper
0.68% of 7671 decks 52 decks
Cayth, Famed Mechanist
1.23% of 1704 decks 21 decks
Urza, Prince of Kroog
1.61% of 933 decks 15 decks
Urza, Lord Protector
0.67% of 1635 decks 11 decks
Tawnos, Solemn Survivor
2.64% of 417 decks 11 decks
Tetzin, Gnome Champion
0.62% of 1601 decks 10 decks
Shorikai, Genesis Engine
0.10% of 8602 decks 9 decks
Zinnia, Valley's Voice
0.10% of 5889 decks 6 decks
The Sixth Doctor // Romana II
1.27% of 395 decks 5 decks
Akiri, Line-Slinger // Silas Renn, Seeker Adept
0.71% of 564 decks 4 decks
Dr. Madison Li
0.16% of 2438 decks 4 decks
Marneus Calgar
0.05% of 5905 decks 3 decks
The Fourth Doctor // Sarah Jane Smith
0.68% of 439 decks 3 decks
The Seventh Doctor // Nyssa of Traken
13.04% of 23 decks 3 decks
New Cards
Biotech Specialist
100% of 1 decks +99% synergy
Biomechan Engineer
50% of 2 decks +50% synergy
Uthros, Titanic Godcore
33% of 274 decks +30% synergy
Uthros Research Craft
25% of 267 decks +23% synergy
Pinnacle Emissary
23% of 26 decks +21% synergy
High Synergy Cards
Seat of the Synod
87% of 1568 decks +81% synergy
Ancient Den
85% of 1568 decks +79% synergy
Etherium Sculptor
85% of 1568 decks +79% synergy
Vault of Whispers
81% of 270 decks +76% synergy
Foundry Inspector
74% of 1568 decks +70% synergy
Sai, Master Thopterist
74% of 1568 decks +70% synergy
Simulacrum Synthesizer
71% of 1568 decks +70% synergy
Thought Monitor
70% of 1568 decks +67% synergy
Darksteel Citadel
70% of 1568 decks +66% synergy
Kappa Cannoneer
66% of 1568 decks +64% synergy
Top Cards
Swords to Plowshares
72% of 1568 decks +10% synergy
Baleful Strix
66% of 270 decks +53% synergy
Esper Sentinel
66% of 1568 decks +47% synergy
Illustrious Wanderglyph
65% of 1568 decks +63% synergy
Emry, Lurker of the Loch
64% of 1568 decks +60% synergy
Dispatch
64% of 1568 decks +59% synergy
Thopter Spy Network
64% of 1568 decks +60% synergy
Organic Extinction
63% of 1568 decks +61% synergy
Padeem, Consul of Innovation
63% of 1568 decks +59% synergy
Phyrexian Metamorph
58% of 1568 decks +51% synergy
Game Changers
Smothering Tithe
39% of 1568 decks +16% synergy
Enlightened Tutor
29% of 1568 decks +13% synergy
Cyclonic Rift
28% of 1568 decks +3% synergy
Teferi's Protection
24% of 1568 decks +6% synergy
Fierce Guardianship
22% of 1568 decks +4% synergy
The One Ring
21% of 1568 decks +12% synergy
Seedborn Muse
18% of 17 decks +9% synergy
Ancient Tomb
12% of 1568 decks +2% synergy
Mana Vault
10% of 1568 decks +4% synergy
Chrome Mox
7% of 1568 decks +0% synergy
Creatures
Bronze Guardian
57% of 1568 decks +55% synergy
Solemn Simulacrum
55% of 1568 decks +41% synergy
Losheel, Clockwork Scholar
52% of 1568 decks +50% synergy
Cyberdrive Awakener
52% of 1568 decks +49% synergy
Voyager Quickwelder
52% of 1527 decks +50% synergy
Ornithopter of Paradise
49% of 1568 decks +44% synergy
Enthusiastic Mechanaut
47% of 109 decks +43% synergy
Jhoira, Weatherlight Captain
47% of 109 decks +41% synergy
Master of Etherium
47% of 1568 decks +45% synergy
Steel Overseer
45% of 1568 decks +44% synergy
Jan Jansen, Chaos Crafter
45% of 60 decks +42% synergy
Riptide Gearhulk
44% of 1547 decks +41% synergy
Forensic Gadgeteer
43% of 1568 decks +40% synergy
Brudiclad, Telchor Engineer
41% of 109 decks +38% synergy
Stridehangar Automaton
39% of 1564 decks +38% synergy
Vedalken Archmage
38% of 1568 decks +37% synergy
Oltec Matterweaver
36% of 1568 decks +34% synergy
Adrix and Nev, Twincasters
35% of 17 decks +30% synergy
Research Thief
34% of 1568 decks +34% synergy
Silver Myr
31% of 1568 decks +28% synergy
Gold-Forged Thopteryx
30% of 1568 decks +27% synergy
Brightglass Gearhulk
29% of 17 decks +28% synergy
Haywire Mite
29% of 17 decks +26% synergy
Gingerbrute
29% of 1568 decks +28% synergy
Leaden Myr
29% of 270 decks +27% synergy
K-9, Mark I
28% of 1568 decks +27% synergy
Gold Myr
28% of 1568 decks +26% synergy
Urza, Prince of Kroog
28% of 1568 decks +26% synergy
Ethersworn Canonist
27% of 1568 decks +26% synergy
Vnwxt, Verbose Host
27% of 1568 decks +26% synergy
Nesting Bot
26% of 1559 decks +26% synergy
Alibou, Ancient Witness
26% of 109 decks +23% synergy
Liberator, Urza's Battlethopter
26% of 1568 decks +24% synergy
Digsite Engineer
25% of 1568 decks +25% synergy
Cyberman Patrol
25% of 1568 decks +25% synergy
Urza, Lord Protector
24% of 1568 decks +22% synergy
Skrelv, Defector Mite
24% of 1568 decks +21% synergy
Lonis, Cryptozoologist
24% of 17 decks +22% synergy
Peregrin Took
24% of 17 decks +19% synergy
Jaheira, Friend of the Forest
24% of 17 decks +19% synergy
Cybermen Squadron
23% of 1568 decks +23% synergy
Scrawling Crawler
22% of 1568 decks +20% synergy
Shimmer Myr
22% of 1568 decks +21% synergy
Jhoira's Familiar
21% of 1568 decks +20% synergy
The Reality Chip
21% of 1568 decks +18% synergy
Cayth, Famed Mechanist
21% of 109 decks +18% synergy
Noxious Gearhulk
20% of 270 decks +17% synergy
Karn, Legacy Reforged
20% of 1568 decks +20% synergy
Myr Battlesphere
20% of 1568 decks +18% synergy
Omega, Heartless Evolution
20% of 5 decks +19% synergy
Instants
Path to Exile
53% of 1568 decks +6% synergy
Counterspell
50% of 1568 decks +8% synergy
Desynchronization
49% of 1568 decks +47% synergy
Heroic Intervention
35% of 17 decks +5% synergy
An Offer You Can't Refuse
33% of 1568 decks +10% synergy
Dovin's Veto
33% of 1568 decks +15% synergy
Generous Gift
27% of 1568 decks +3% synergy
Void Rend
26% of 270 decks +12% synergy
Whir of Invention
25% of 1568 decks +22% synergy
Arcane Denial
24% of 1568 decks +4% synergy
Second Harvest
24% of 17 decks +19% synergy
Mana Drain
21% of 1568 decks +7% synergy
Despark
19% of 270 decks +5% synergy
Anguished Unmaking
18% of 270 decks -7% synergy
Chaos Warp
17% of 109 decks -14% synergy
Sink into Stupor
16% of 1568 decks +6% synergy
Swan Song
14% of 1568 decks -3% synergy
Dawn's Truce
14% of 1568 decks +6% synergy
Three Steps Ahead
13% of 1568 decks +11% synergy
Boros Charm
12% of 109 decks -12% synergy
Negate
11% of 1568 decks -10% synergy
Stroke of Midnight
9% of 1568 decks -1% synergy
Deadly Rollick
9% of 270 decks -4% synergy
Scour for Scrap
8% of 219 decks +6% synergy
Deflecting Swat
7% of 109 decks -9% synergy
Access Denied
7% of 1568 decks +6% synergy
Masterful Replication
7% of 1568 decks +6% synergy
Flawless Maneuver
6% of 1568 decks -4% synergy
Vampiric Tutor
6% of 270 decks -10% synergy
Pongify
6% of 1568 decks -6% synergy
Fell the Profane
6% of 270 decks -3% synergy
Sorceries
Voyage Home
58% of 1547 decks +55% synergy
Thoughtcast
58% of 1568 decks +55% synergy
Fabricate
47% of 1568 decks +42% synergy
March of Progress
33% of 1568 decks +32% synergy
Their Name Is Death
28% of 270 decks +27% synergy
Wake the Past
23% of 109 decks +20% synergy
Dance of the Manse
22% of 1568 decks +18% synergy
Esper Origins
20% of 5 decks +19% synergy
Reach the Horizon
20% of 5 decks +18% synergy
Blasphemous Act
18% of 109 decks -15% synergy
Vindicate
16% of 270 decks +10% synergy
Supreme Verdict
14% of 1568 decks +1% synergy
Brilliant Restoration
12% of 1568 decks +10% synergy
Farewell
11% of 1568 decks -2% synergy
Vandalblast
10% of 109 decks -6% synergy
Demonic Tutor
10% of 270 decks -11% synergy
One with the Machine
10% of 1568 decks +9% synergy
Season of Weaving
10% of 1568 decks +8% synergy
Damn
8% of 270 decks -8% synergy
Devastating Onslaught
8% of 26 decks +6% synergy
Toxic Deluge
7% of 270 decks -11% synergy
Redress Fate
7% of 1568 decks +5% synergy
Austere Command
7% of 1568 decks -6% synergy
Mutinous Massacre
7% of 15 decks +6% synergy
Sevinne's Reclamation
6% of 1568 decks -1% synergy
Haunt the Network
6% of 270 decks +5% synergy
Utility Artifacts
Thousand Moons Smithy
57% of 1568 decks +55% synergy
Unwinding Clock
56% of 1568 decks +53% synergy
Mystic Forge
54% of 1568 decks +51% synergy
Sculpting Steel
48% of 1568 decks +46% synergy
Lightning Greaves
41% of 1568 decks +16% synergy
Cloud Key
40% of 1568 decks +38% synergy
Repurposing Bay
38% of 1568 decks +37% synergy
Salvation Engine
33% of 1535 decks +32% synergy
Sensei's Divining Top
29% of 1568 decks +24% synergy
Cranial Plating
29% of 270 decks +27% synergy
Swiftfoot Boots
29% of 1568 decks +2% synergy
Time Sieve
26% of 270 decks +23% synergy
Darksteel Forge
24% of 1568 decks +22% synergy
Bootleggers' Stash
24% of 17 decks +21% synergy
Adaptive Omnitool
21% of 1559 decks +20% synergy
Bard's Bow
20% of 5 decks +20% synergy
Demonic Junker
20% of 270 decks +19% synergy
Nettlecyst
19% of 1568 decks +18% synergy
Guidelight Pathmaker
19% of 1568 decks +18% synergy
Bident of Thassa
18% of 1568 decks +12% synergy
Esika's Chariot
18% of 17 decks +16% synergy
Shorikai, Genesis Engine
17% of 1568 decks +15% synergy
Portal to Phyrexia
16% of 1568 decks +15% synergy
Skullclamp
16% of 1568 decks +4% synergy
Twinning Staff
15% of 1568 decks +14% synergy
Perilous Snare
14% of 1559 decks +13% synergy
Thopter Foundry
13% of 270 decks +12% synergy
Krark-Clan Ironworks
13% of 1568 decks +12% synergy
Racers' Scoreboard
12% of 1547 decks +12% synergy
Dowsing Device
11% of 109 decks +10% synergy
Idol of Oblivion
11% of 1568 decks +6% synergy
Cranial Ram
10% of 60 decks +9% synergy
Thopter Fabricator
10% of 1568 decks +9% synergy
Manifold Key
10% of 1568 decks +8% synergy
Brass's Tunnel-Grinder
9% of 109 decks +7% synergy
Aetherflux Reservoir
8% of 1568 decks +5% synergy
Imposter Mech
8% of 1568 decks +6% synergy
Encroaching Mycosynth
8% of 1568 decks +7% synergy
Forsaken Monument
8% of 1568 decks +6% synergy
Radiant Lotus
8% of 1544 decks +7% synergy
Mirrorworks
7% of 1568 decks +7% synergy
Shadowspear
7% of 1568 decks +4% synergy
Bolas's Citadel
7% of 270 decks -1% synergy
Detective's Satchel
6% of 109 decks +6% synergy
Mycosynth Lattice
6% of 1568 decks +6% synergy
Inspirit, Flagship Vessel
6% of 32 decks +1% synergy
Machinist's Arsenal
6% of 570 decks +5% synergy
Winged Boots
6% of 1568 decks +4% synergy
Semblance Anvil
6% of 1568 decks +5% synergy
Esoteric Duplicator
5% of 1568 decks +5% synergy
Enchantments
Mechanized Production
47% of 1568 decks +44% synergy
Doubling Season
41% of 17 decks +31% synergy
City of Death
35% of 17 decks +34% synergy
Storm the Vault
32% of 109 decks +29% synergy
Efficient Construction
29% of 1568 decks +28% synergy
Artificer Class
25% of 1568 decks +24% synergy
Rhystic Study
25% of 1568 decks -1% synergy
Mirrodin Besieged
25% of 1568 decks +23% synergy
A Realm Reborn
20% of 5 decks +19% synergy
Biotransference
18% of 270 decks +17% synergy
Weapons Manufacturing
16% of 32 decks +14% synergy
Unstoppable Plan
14% of 1547 decks +11% synergy
Phyrexian Scriptures
12% of 270 decks +11% synergy
Tempered Steel
12% of 1568 decks +11% synergy
Anointed Procession
12% of 1568 decks +4% synergy
Mystic Remora
10% of 1568 decks -7% synergy
Impact Tremors
9% of 109 decks -1% synergy
Moonlit Meditation
8% of 233 decks +7% synergy
Propaganda
7% of 1568 decks -6% synergy
Caretaker's Talent
6% of 1568 decks +1% synergy
Warleader's Call
6% of 109 decks -2% synergy
All That Glitters
5% of 1568 decks +0% synergy
Planeswalkers
Tezzeret, Master of the Bridge
57% of 270 decks +55% synergy
Saheeli, Sublime Artificer
18% of 109 decks +15% synergy
Oko, Thief of Crowns
18% of 17 decks +13% synergy
Tezzeret the Seeker
17% of 1568 decks +14% synergy
Daretti, Ingenious Iconoclast
13% of 60 decks +13% synergy
Daretti, Scrap Savant
13% of 109 decks +11% synergy
Tezzeret, Cruel Captain
12% of 381 decks +10% synergy
Tezzeret, Artifice Master
11% of 1568 decks +10% synergy
Karn, Scion of Urza
10% of 1568 decks +10% synergy
Saheeli, Filigree Master
9% of 109 decks +8% synergy
Elspeth, Storm Slayer
6% of 972 decks +1% synergy
Saheeli, the Gifted
6% of 109 decks +5% synergy
Ugin, Eye of the Storms
5% of 972 decks +4% synergy
Utility Lands
Great Furnace
65% of 109 decks +60% synergy
Academy Ruins
64% of 1568 decks +59% synergy
Archway of Innovation
60% of 1568 decks +57% synergy
Muraganda Raceway
60% of 1568 decks +58% synergy
Inventors' Fair
58% of 1568 decks +54% synergy
Tree of Tales
53% of 17 decks +51% synergy
Boseiju, Who Endures
47% of 17 decks +28% synergy
Urza's Saga
46% of 1568 decks +40% synergy
Amonkhet Raceway
41% of 1568 decks +40% synergy
Reliquary Tower
41% of 1568 decks +11% synergy
Buried Ruin
38% of 1568 decks +33% synergy
The Shire
29% of 17 decks +26% synergy
Bojuka Bog
25% of 270 decks -5% synergy
Fomori Vault
24% of 1568 decks +23% synergy
Otawara, Soaring City
24% of 1568 decks +8% synergy
Rogue's Passage
24% of 1568 decks +4% synergy
Treasure Vault
21% of 1568 decks +18% synergy
Avishkar Raceway
20% of 1568 decks +20% synergy
Monumental Henge
18% of 1568 decks +15% synergy
Urza's Mine
12% of 1568 decks +10% synergy
Urza's Tower
12% of 1568 decks +10% synergy
Urza's Power Plant
12% of 1568 decks +10% synergy
Eiganjo, Seat of the Empire
9% of 1568 decks +1% synergy
Adagia, Windswept Bastion
7% of 269 decks +4% synergy
Urza's Workshop
7% of 1568 decks +6% synergy
Susur Secundi, Void Altar
6% of 81 decks +4% synergy
Mistrise Village
6% of 954 decks -3% synergy
Minamo, School at Water's Edge
5% of 1568 decks +1% synergy
Mana Artifacts
Sol Ring
96% of 1568 decks +12% synergy
Arcane Signet
88% of 1568 decks +15% synergy
Talisman of Progress
54% of 1568 decks +29% synergy
Azorius Signet
45% of 1568 decks +21% synergy
Talisman of Dominance
39% of 270 decks +7% synergy
Crystal Skull, Isu Spyglass
39% of 1568 decks +37% synergy
Thought Vessel
38% of 1568 decks +20% synergy
Talisman of Hierarchy
30% of 270 decks +4% synergy
Talisman of Unity
29% of 17 decks +22% synergy
Thran Dynamo
28% of 1568 decks +23% synergy
The Mightstone and Weakstone
26% of 1568 decks +25% synergy
Mind Stone
25% of 1568 decks +9% synergy
Fellwar Stone
25% of 1568 decks +4% synergy
Talisman of Curiosity
24% of 17 decks +11% synergy
Talisman of Creativity
23% of 109 decks -6% synergy
Mox Opal
23% of 1568 decks +18% synergy
Dimir Signet
22% of 270 decks -5% synergy
Talisman of Conviction
19% of 109 decks -5% synergy
Orzhov Signet
18% of 270 decks -7% synergy
Izzet Signet
16% of 109 decks -11% synergy
Mox Amber
15% of 1568 decks +11% synergy
Talisman of Indulgence
15% of 60 decks -13% synergy
The Aetherspark
13% of 1568 decks +12% synergy
Cursed Mirror
12% of 109 decks +6% synergy
Lotus Petal
12% of 1568 decks +5% synergy
Boros Signet
9% of 109 decks -12% synergy
Midnight Clock
9% of 1568 decks +4% synergy
Liquimetal Torque
9% of 1568 decks +6% synergy
Commander's Sphere
9% of 1568 decks -5% synergy
Basalt Monolith
8% of 1568 decks +6% synergy
Gilded Lotus
8% of 1568 decks +5% synergy
Fabrication Foundry
8% of 1568 decks +7% synergy
Sonic Screwdriver
7% of 1568 decks +6% synergy
Machine God's Effigy
7% of 1568 decks +5% synergy
The Eternity Elevator
6% of 274 decks +5% synergy
Hedron Archive
5% of 1568 decks +3% synergy
Chromatic Lantern
5% of 1568 decks -4% synergy
Lands
Command Tower
91% of 1568 decks +17% synergy
Mistvault Bridge
71% of 270 decks +67% synergy
Razortide Bridge
70% of 1568 decks +64% synergy
Goldmire Bridge
69% of 270 decks +65% synergy
Hallowed Fountain
65% of 1568 decks +25% synergy
Spara's Headquarters
65% of 17 decks +36% synergy
Glacial Fortress
60% of 1568 decks +29% synergy
Breeding Pool
59% of 17 decks +19% synergy
Sea of Clouds
56% of 1568 decks +30% synergy
Silverbluff Bridge
55% of 109 decks +49% synergy
Tanglepool Bridge
53% of 17 decks +50% synergy
Temple Garden
53% of 17 decks +14% synergy
Adarkar Wastes
53% of 1568 decks +31% synergy
Raffine's Tower
51% of 270 decks +26% synergy
Watery Grave
51% of 270 decks +11% synergy
Godless Shrine
51% of 270 decks +11% synergy
Prairie Stream
50% of 1568 decks +16% synergy
Flooded Strand
49% of 1568 decks +38% synergy
Deserted Beach
49% of 1568 decks +32% synergy
Rustvale Bridge
48% of 109 decks +43% synergy
Thornglint Bridge
47% of 17 decks +45% synergy
Floodfarm Verge
46% of 1568 decks +37% synergy
Steam Vents
46% of 109 decks +8% synergy
Sacred Foundry
44% of 109 decks +9% synergy
Hedge Maze
41% of 17 decks +30% synergy
Arcane Sanctum
40% of 270 decks +12% synergy
Mystic Monastery
38% of 109 decks +9% synergy
Drossforge Bridge
37% of 60 decks +33% synergy
Raugrin Triome
36% of 109 decks +11% synergy
Training Center
36% of 109 decks +10% synergy
Savannah
35% of 17 decks +23% synergy
Tropical Island
35% of 17 decks +21% synergy
Bountiful Promenade
35% of 17 decks +12% synergy
Seaside Citadel
35% of 17 decks +8% synergy
Rejuvenating Springs
35% of 17 decks +7% synergy
Xander's Lounge
35% of 60 decks +10% synergy
Spire of Industry
35% of 1568 decks +32% synergy
Morphic Pool
33% of 270 decks +8% synergy
Spectator Seating
32% of 109 decks +8% synergy
Blood Crypt
30% of 60 decks -8% synergy
Lush Portico
29% of 17 decks +20% synergy
Dreamroot Cascade
29% of 17 decks +9% synergy
Vault of Champions
29% of 270 decks +4% synergy
Caves of Koilos
29% of 270 decks -1% synergy
Underground River
29% of 270 decks +7% synergy
Crumbling Necropolis
28% of 60 decks -2% synergy
Exotic Orchard
28% of 1568 decks -8% synergy
Sunken Hollow
27% of 270 decks -8% synergy
Shivan Reef
27% of 109 decks -2% synergy
Meticulous Archive
25% of 1568 decks +16% synergy