Shaun, Father of Synths
Aurelia, the Warleader

   Prerequisites

What do I need to start this combo?
Shaun and Aurelia on the battlefield.
An opponent cannot block and kill creatures you control.

   Steps

How does this combo work?
1
Declare Aurelia as an attacker, triggering it and Shaun's first ability.
2
Resolve the Shaun trigger, creating a tapped and attacking copy of Aurelia that is a nonlegendary Synth in addition to its other types.
3
Resolve the Aurelia trigger, untapping all creatures you control and causing you to get an additional combat phase after this one.
4
Repeat each combat phase.

   Results

What do I get from this combo?
Infinite combat phases
Infinite creature tokens with haste
Infinite ETB
Infinite mana creatures you control can produce
Infinite untap of creatures you control
Niv-Mizzet, Guildpact
9.66% of 3116 decks 301 decks
Jodah, the Unifier
0.45% of 20102 decks 91 decks
Aragorn, the Uniter
0.31% of 15661 decks 48 decks
Niv-Mizzet Reborn
1.26% of 3263 decks 41 decks
Satya, Aetherflux Genius
0.34% of 10968 decks 37 decks
Arthur, Marigold Knight
0.38% of 3179 decks 12 decks
Sonic the Hedgehog
0.42% of 2845 decks 12 decks
Liberty Prime, Recharged
0.24% of 4521 decks 11 decks
Aragorn, King of Gondor
0.24% of 4129 decks 10 decks
Éowyn, Shieldmaiden
0.11% of 9447 decks 10 decks
Esika, God of the Tree
0.06% of 16255 decks 9 decks
Sisay, Weatherlight Captain
0.08% of 11800 decks 9 decks
The Tenth Doctor // Tegan Jovanka
7.50% of 80 decks 6 decks
The Tenth Doctor // Rose Tyler
0.12% of 4194 decks 5 decks
Captain America, First Avenger
0.05% of 9624 decks 5 decks
The Eleventh Doctor // Amy Pond
0.44% of 683 decks 3 decks
Cecily, Haunted Mage // Sophina, Spearsage Deserter
0.46% of 646 decks 3 decks
Kenrith, the Returned King
0.01% of 20871 decks 3 decks
New Cards
Serah Farron
21% of 129 decks +19% synergy
Venat, Heart of Hydaelyn
13% of 145 decks +11% synergy
Infinite Guideline Station
10% of 48 decks +9% synergy
Lightning, Army of One
8% of 171 decks +4% synergy
Squall, SeeD Mercenary
6% of 120 decks +4% synergy
High Synergy Cards
Faeburrow Elder
76% of 516 decks +65% synergy
Hajar, Loyal Bodyguard
57% of 516 decks +55% synergy
Inga and Esika
56% of 516 decks +53% synergy
General Ferrous Rokiric
54% of 653 decks +53% synergy
Niv-Mizzet Reborn
53% of 466 decks +51% synergy
Vraska Joins Up
54% of 457 decks +51% synergy
Pippin, Guard of the Citadel
54% of 653 decks +51% synergy
Primevals' Glorious Rebirth
52% of 469 decks +48% synergy
Lotho, Corrupt Shirriff
58% of 469 decks +45% synergy
Knight of New Alara
46% of 516 decks +44% synergy
Top Cards
Rhythm of the Wild
63% of 516 decks +40% synergy
Farseek
61% of 516 decks +26% synergy
Annie Joins Up
55% of 504 decks +43% synergy
Assassin's Trophy
52% of 466 decks +22% synergy
Baleful Strix
50% of 469 decks +37% synergy
Swords to Plowshares
49% of 653 decks -13% synergy
Nature's Lore
48% of 516 decks +17% synergy
Kutzil, Malamet Exemplar
48% of 516 decks +34% synergy
Boros Charm
47% of 653 decks +24% synergy
Glissa Sunslayer
47% of 466 decks +43% synergy
Game Changers
Smothering Tithe
16% of 653 decks -7% synergy
Cyclonic Rift
15% of 653 decks -10% synergy
Aura Shards
15% of 516 decks +7% synergy
Teferi's Protection
13% of 653 decks -5% synergy
Rhystic Study
13% of 653 decks -13% synergy
Notion Thief
11% of 469 decks +5% synergy
Fierce Guardianship
11% of 653 decks -7% synergy
Deflecting Swat
7% of 653 decks -9% synergy
Jeska's Will
6% of 653 decks -10% synergy
Enlightened Tutor
5% of 653 decks -11% synergy
Creatures
Jhoira, Weatherlight Captain
46% of 653 decks +40% synergy
Honest Rutstein
46% of 458 decks +40% synergy
Ratadrabik of Urborg
45% of 469 decks +43% synergy
Bloom Tender
44% of 516 decks +37% synergy
Gold-Forged Thopteryx
43% of 653 decks +40% synergy
Leyline Prowler
42% of 466 decks +40% synergy
Rakdos, Patron of Chaos
41% of 469 decks +37% synergy
Jenson Carthalion, Druid Exile
40% of 466 decks +37% synergy
Jegantha, the Wellspring
39% of 466 decks +34% synergy
Coiling Oracle
36% of 516 decks +30% synergy
Trostani, Three Whispers
35% of 516 decks +34% synergy
Basim Ibn Ishaq
34% of 397 decks +32% synergy
Deathrite Shaman
34% of 466 decks +22% synergy
Birds of Paradise
32% of 516 decks +4% synergy
Ruby, Daring Tracker
32% of 516 decks +28% synergy
Rivaz of the Claw
31% of 469 decks +28% synergy
Kardur, Doomscourge
28% of 469 decks +22% synergy
Bayek of Siwa
27% of 561 decks +25% synergy
Ertai Resurrected
27% of 469 decks +25% synergy
Beledros Witherbloom
27% of 466 decks +23% synergy
Aurelia, the Law Above
27% of 653 decks +23% synergy
Jodah, the Unifier
25% of 466 decks +21% synergy
Kambal, Consul of Allocation
25% of 469 decks +19% synergy
Xenagos, God of Revels
24% of 516 decks +19% synergy
Aragorn, the Uniter
24% of 516 decks +20% synergy
Atarka, World Render
23% of 516 decks +17% synergy
Niv-Mizzet, Visionary
23% of 426 decks +19% synergy
Delighted Halfling
20% of 516 decks +8% synergy
Kiora's Follower
19% of 516 decks +13% synergy
Nashi, Searcher in the Dark
18% of 334 decks +18% synergy
Alesha, Who Laughs at Fate
18% of 295 decks +14% synergy
The Infamous Cruelclaw
17% of 379 decks +16% synergy
Sisay, Weatherlight Captain
17% of 466 decks +11% synergy
Surrak Dragonclaw
16% of 516 decks +11% synergy
Shanid, Sleepers' Scourge
16% of 469 decks +12% synergy
Esika, God of the Tree
15% of 466 decks +8% synergy
Iroas, God of Victory
15% of 653 decks +11% synergy
Chulane, Teller of Tales
14% of 516 decks +9% synergy
Breena, the Demagogue
14% of 469 decks +11% synergy
Niv-Mizzet, Parun
13% of 653 decks +5% synergy
Talion, the Kindly Lord
13% of 469 decks +9% synergy
Sigarda, Font of Blessings
13% of 516 decks +11% synergy
Gisela, Blade of Goldnight
13% of 653 decks +6% synergy
Halana and Alena, Partners
13% of 516 decks +8% synergy
Hostage Taker
13% of 469 decks +8% synergy
Cadric, Soul Kindler
13% of 653 decks +11% synergy
Boromir, Warden of the Tower
12% of 653 decks +8% synergy
Anzrag, the Quake-Mole
12% of 516 decks +10% synergy
Reki, the History of Kamigawa
12% of 516 decks +11% synergy
Djeru and Hazoret
11% of 653 decks +10% synergy
Instants
Anguished Unmaking
42% of 469 decks +17% synergy
Growth Spiral
41% of 516 decks +20% synergy
Dovin's Veto
37% of 653 decks +19% synergy
Path to Exile
28% of 653 decks -19% synergy
Despark
28% of 469 decks +14% synergy
Rakdos Charm
26% of 469 decks +12% synergy
Heroic Intervention
24% of 516 decks -6% synergy
Counterspell
19% of 653 decks -23% synergy
Planar Genesis
15% of 451 decks +10% synergy
Terminate
14% of 469 decks -6% synergy
Beast Within
12% of 516 decks -24% synergy
Golgari Charm
11% of 466 decks +6% synergy
Akroma's Will
10% of 653 decks +0% synergy
Eladamri's Call
9% of 516 decks -0% synergy
Generous Gift
9% of 653 decks -15% synergy
Simic Charm
9% of 516 decks +6% synergy
Izzet Charm
9% of 653 decks +3% synergy
An Offer You Can't Refuse
8% of 653 decks -14% synergy
Flawless Maneuver
8% of 653 decks -2% synergy
Arcane Denial
7% of 653 decks -13% synergy
Negate
7% of 653 decks -15% synergy
Countersquall
7% of 469 decks +4% synergy
Revitalizing Repast
6% of 412 decks -2% synergy
Chaos Warp
6% of 653 decks -25% synergy
No More Lies
6% of 653 decks +4% synergy
Inkshield
6% of 469 decks -1% synergy
Mortify
6% of 469 decks -6% synergy
Desynchronization
5% of 561 decks +3% synergy
Legion Leadership
5% of 588 decks -0% synergy
Mana Drain
5% of 653 decks -10% synergy
Putrefy
5% of 466 decks -10% synergy
Naya Charm
5% of 516 decks -1% synergy
Sorceries
Three Visits
41% of 516 decks +17% synergy
Cultivate
38% of 516 decks -6% synergy
Urza's Ruinous Blast
25% of 653 decks +22% synergy
Kodama's Reach
21% of 516 decks -8% synergy
Supreme Verdict
20% of 653 decks +7% synergy
Bring to Light
19% of 516 decks +17% synergy
Rampant Growth
15% of 516 decks -20% synergy
Blasphemous Act
11% of 653 decks -22% synergy
Merciless Eviction
11% of 469 decks +8% synergy
Time Wipe
11% of 653 decks +5% synergy
Skyshroud Claim
10% of 516 decks +2% synergy
Circuitous Route
9% of 516 decks +7% synergy
Farewell
9% of 653 decks -4% synergy
Ringsight
9% of 469 decks +6% synergy
Demonic Tutor
7% of 469 decks -14% synergy
Reborn Hope
6% of 516 decks +6% synergy
Decimate
6% of 516 decks -2% synergy
Ruinous Ultimatum
6% of 469 decks -13% synergy
Open the Gates
5% of 516 decks +5% synergy
Expressive Iteration
5% of 653 decks -1% synergy
Vindicate
5% of 469 decks -1% synergy
Utility Artifacts
Lightning Greaves
40% of 653 decks +15% synergy
Swiftfoot Boots
34% of 653 decks +7% synergy
Urza's Filter
18% of 653 decks +18% synergy
Dragonfire Blade
16% of 245 decks +15% synergy
Heroes' Podium
16% of 653 decks +15% synergy
Mask of Riddles
13% of 469 decks +12% synergy
Helm of the Host
11% of 653 decks +8% synergy
Dragon Arch
9% of 653 decks +9% synergy
Mithril Coat
8% of 653 decks +3% synergy
Glass of the Guildpact
7% of 653 decks +7% synergy
The Great Henge
7% of 516 decks -3% synergy
Shorikai, Genesis Engine
5% of 653 decks +2% synergy
Enchantments
Mirari's Wake
40% of 516 decks +28% synergy
Rakdos Joins Up
38% of 458 decks +36% synergy
Case of the Shattered Pact
31% of 653 decks +31% synergy
Widespread Thieving
26% of 466 decks +24% synergy
Steel of the Godhead
22% of 653 decks +20% synergy
Frostcliff Siege
19% of 255 decks +13% synergy
Flowering of the White Tree
14% of 653 decks +9% synergy
Clout of the Dominus
13% of 653 decks +12% synergy
Leyline of the Guildpact
12% of 466 decks -4% synergy
Spelunking
10% of 516 decks +6% synergy
Kellan Joins Up
9% of 503 decks +7% synergy
Binding the Old Gods
9% of 466 decks +3% synergy
Buried in the Garden
8% of 516 decks +7% synergy
Rising of the Day
8% of 653 decks +3% synergy
Bard Class
8% of 516 decks +7% synergy
Maelstrom Nexus
8% of 466 decks +1% synergy
Warleader's Call
7% of 653 decks -0% synergy
Fires of Yavimaya
7% of 516 decks +4% synergy
Windcrag Siege
7% of 245 decks +0% synergy
Runes of the Deus
7% of 516 decks +6% synergy
Prismatic Omen
7% of 516 decks +6% synergy
Garruk's Uprising
6% of 516 decks -11% synergy
Shield of the Oversoul
6% of 516 decks +4% synergy
Temur Ascendancy
6% of 516 decks -10% synergy
Shielding Plax
5% of 516 decks +4% synergy
Reconnaissance
5% of 653 decks +2% synergy
Battles
Invasion of Ravnica
17% of 653 decks +16% synergy
Invasion of Fiora
5% of 469 decks +4% synergy
Planeswalkers
Oko, Thief of Crowns
25% of 516 decks +20% synergy
Dihada, Binder of Wills
10% of 469 decks +6% synergy
Teferi, Time Raveler
8% of 653 decks +2% synergy
Kaya the Inexorable
6% of 469 decks +5% synergy
Minsc & Boo, Timeless Heroes
5% of 516 decks +4% synergy
Domri, Anarch of Bolas
5% of 516 decks +2% synergy
Utility Lands
Reliquary Tower
38% of 653 decks +8% synergy
Great Hall of the Citadel
20% of 653 decks +19% synergy
Rogue's Passage
19% of 653 decks -1% synergy
Cascading Cataracts
11% of 653 decks +10% synergy
Boseiju, Who Endures
11% of 516 decks -8% synergy
Baldur's Gate
10% of 653 decks +9% synergy
Maze's End
8% of 653 decks +8% synergy
Minas Tirith
8% of 653 decks +1% synergy
Yavimaya, Cradle of Growth
8% of 653 decks -1% synergy
The Black Gate
7% of 469 decks +4% synergy
Basilisk Gate
7% of 653 decks +6% synergy
Otawara, Soaring City
6% of 653 decks -10% synergy
Mana Artifacts
Arcane Signet
84% of 653 decks +11% synergy
Sol Ring
75% of 653 decks -10% synergy
Chromatic Lantern
53% of 653 decks +44% synergy
Fellwar Stone
38% of 653 decks +17% synergy
Relic of Legends
31% of 653 decks +28% synergy
Tome of the Guildpact
29% of 653 decks +29% synergy
Decanter of Endless Water
17% of 653 decks +13% synergy
Talisman of Conviction
15% of 653 decks -10% synergy
Thought Vessel
14% of 653 decks -3% synergy
Talisman of Creativity
14% of 653 decks -15% synergy
Talisman of Progress
14% of 653 decks -11% synergy
Timeless Lotus
13% of 466 decks +2% synergy
Commander's Sphere
10% of 653 decks -3% synergy
Boros Signet
8% of 653 decks -14% synergy
Azorius Signet
7% of 653 decks -17% synergy
Izzet Signet
7% of 653 decks -19% synergy
Chromatic Orrery
7% of 653 decks +5% synergy
Mox Amber
6% of 653 decks +2% synergy
Mistvein Borderpost
5% of 469 decks +5% synergy
Veinfire Borderpost
5% of 469 decks +5% synergy
Lands
Command Tower
95% of 653 decks +20% synergy
Exotic Orchard
71% of 653 decks +34% synergy
The World Tree
48% of 466 decks +18% synergy
Temple Garden
47% of 516 decks +8% synergy
Stomping Ground
46% of 516 decks +6% synergy
Overgrown Tomb
46% of 466 decks +5% synergy
Breeding Pool
46% of 516 decks +6% synergy
Hallowed Fountain
43% of 653 decks +3% synergy
Path of Ancestry
42% of 653 decks +20% synergy
Godless Shrine
41% of 469 decks +1% synergy
Sacred Foundry
40% of 653 decks +5% synergy
Steam Vents
39% of 653 decks +1% synergy
Watery Grave
38% of 469 decks -2% synergy
Blood Crypt
37% of 469 decks -0% synergy
Ketria Triome
35% of 516 decks +4% synergy
Pillar of the Paruns
34% of 653 decks +34% synergy
Jetmir's Garden
33% of 516 decks +3% synergy
Spara's Headquarters
32% of 516 decks +3% synergy
Windswept Heath
29% of 653 decks +18% synergy
Indatha Triome
29% of 466 decks -0% synergy
Flooded Strand
28% of 653 decks +17% synergy
Arid Mesa
28% of 653 decks +18% synergy
Scalding Tarn
28% of 653 decks +16% synergy
Wooded Foothills
27% of 653 decks +16% synergy
Ziatora's Proving Ground
26% of 466 decks -2% synergy
Mystic Monastery
25% of 653 decks -3% synergy
Raugrin Triome
25% of 653 decks -0% synergy
Zagoth Triome
25% of 466 decks -4% synergy
Misty Rainforest
24% of 653 decks +13% synergy
Plaza of Heroes
23% of 653 decks +20% synergy
Marsh Flats
21% of 653 decks +10% synergy
Verdant Catacombs
21% of 653 decks +9% synergy
Golgari Guildgate
20% of 466 decks +14% synergy
Dimir Guildgate
20% of 469 decks +15% synergy
Orzhov Guildgate
19% of 469 decks +15% synergy
Rakdos Guildgate
19% of 469 decks +15% synergy
Gruul Guildgate
19% of 516 decks +15% synergy
Bloodstained Mire
19% of 653 decks +8% synergy
Simic Guildgate
19% of 516 decks +13% synergy
Savai Triome
19% of 469 decks -7% synergy
Selesnya Guildgate
18% of 516 decks +14% synergy
Evolving Wilds
18% of 653 decks -3% synergy
Frontier Bivouac
18% of 516 decks -11% synergy
Prairie Stream
18% of 653 decks -16% synergy
City of Brass
17% of 653 decks +9% synergy
Jungle Shrine
17% of 516 decks -15% synergy
Polluted Delta
17% of 653 decks +5% synergy
Reflecting Pool
17% of 653 decks +11% synergy
Seaside Citadel
16% of 516 decks -11% synergy
Sea of Clouds
16% of 653 decks -9% synergy