Felidar Guardian
Altar of the Brood
Spark Double

   Prerequisites

What do I need to start this combo?
Spark Double in hand.
Felidar Guardian and Altar of the Brood on the battlefield.
3 available

   Steps

How does this combo work?
1
Cast Spark Double by paying 3.
2
Spark Double enters the battlefield as a copy of Felidar Guardian, triggering Altar of the Brood and itself.
3
Resolve the Altar of the Brood trigger, causing each opponent to mill a card.
4
Resolve the Spark Double's trigger, blinking Felidar Guardian.
5
Felidar Guardian enters the battlefield, triggering Altar of the Brood and itself.
6
Resolve the Altar of the Brood trigger, causing each opponent to mill a card.
7
Resolve the Felidar Guardian's trigger, blinking Spark Double.
8
Repeat from step 2.

   Results

What do I get from this combo?
Infinite ETB
Infinite LTB
Infinite mill
Hope Estheim
0.31% of 6441 decks 20 decks
Top Commanders
Aminatou, the Fateshifter
22.00% of 6273 decks 1380 decks
Brago, King Eternal
0.66% of 10582 decks 70 decks
Yorion, Sky Nomad
2.88% of 2155 decks 62 decks
Atraxa, Grand Unifier
0.19% of 15174 decks 29 decks
Lagrella, the Magpie
1.63% of 1723 decks 28 decks
Abdel Adrian, Gorion's Ward // Candlekeep Sage
0.62% of 3897 decks 24 decks
Niko, Light of Hope
0.18% of 5416 decks 10 decks
Tivit, Seller of Secrets
0.07% of 12384 decks 9 decks
Pramikon, Sky Rampart
0.15% of 5418 decks 8 decks
Ranar the Ever-Watchful
0.23% of 3439 decks 8 decks
Galadriel, Light of Valinor
0.05% of 12893 decks 7 decks
Abuelo, Ancestral Echo
0.60% of 1175 decks 7 decks
Plagon, Lord of the Beach
0.22% of 3129 decks 7 decks
Breya, Etherium Shaper
0.03% of 16803 decks 5 decks
Derevi, Empyrial Tactician
0.05% of 9581 decks 5 decks
Kykar, Zephyr Awakener
0.19% of 2088 decks 4 decks
Garth One-Eye
0.09% of 4490 decks 4 decks
New Cards
Weftstalker Ardent
50% of 2 decks +48% synergy
Starfield Vocalist
19% of 144 decks +17% synergy
Anticausal Vestige
12% of 144 decks +12% synergy
Zidane, Tantalus Thief
12% of 8 decks +12% synergy
Y'shtola Rhul
12% of 312 decks +10% synergy
High Synergy Cards
Peregrine Drake
69% of 1773 decks +65% synergy
Panharmonicon
67% of 1773 decks +63% synergy
Baleful Strix
76% of 1457 decks +63% synergy
Oath of Teferi
64% of 1773 decks +61% synergy
Ephemerate
65% of 1773 decks +60% synergy
Corpse Knight
63% of 1457 decks +58% synergy
Soulherder
62% of 1773 decks +57% synergy
Archaeomancer
60% of 1773 decks +57% synergy
Impact Tremors
66% of 38 decks +56% synergy
Eternal Witness
72% of 95 decks +53% synergy
Top Cards
Swords to Plowshares
74% of 1773 decks +12% synergy
Counterspell
59% of 1773 decks +17% synergy
Displacer Kitten
58% of 1773 decks +53% synergy
Yarok, the Desecrated
55% of 42 decks +52% synergy
Mulldrifter
54% of 1773 decks +49% synergy
Wishclaw Talisman
54% of 1457 decks +49% synergy
Emiel the Blessed
53% of 95 decks +50% synergy
Solemn Simulacrum
51% of 1773 decks +38% synergy
Ghostly Flicker
50% of 1773 decks +45% synergy
Ravenous Chupacabra
49% of 1457 decks +45% synergy
Game Changers
Cyclonic Rift
47% of 1773 decks +22% synergy
Smothering Tithe
45% of 1773 decks +23% synergy
Rhystic Study
44% of 1773 decks +19% synergy
Demonic Tutor
40% of 1457 decks +20% synergy
Vampiric Tutor
37% of 1457 decks +21% synergy
Mystical Tutor
30% of 1773 decks +16% synergy
Narset, Parter of Veils
29% of 1773 decks +25% synergy
Deflecting Swat
29% of 38 decks +13% synergy
Aura Shards
22% of 95 decks +14% synergy
Mana Vault
17% of 1773 decks +11% synergy
Creatures
Restoration Angel
48% of 1773 decks +45% synergy
Aether Channeler
45% of 1773 decks +43% synergy
Coiling Oracle
44% of 95 decks +38% synergy
Cloudblazer
44% of 1773 decks +41% synergy
Brago, King Eternal
44% of 1773 decks +41% synergy
Agent of Treachery
44% of 1773 decks +42% synergy
Thassa, Deep-Dwelling
43% of 1773 decks +40% synergy
Birds of Paradise
42% of 95 decks +15% synergy
Elesh Norn, Mother of Machines
41% of 1773 decks +37% synergy
Purphoros, God of the Forge
39% of 38 decks +35% synergy
Yorion, Sky Nomad
38% of 1773 decks +36% synergy
Deadeye Navigator
38% of 1773 decks +36% synergy
Wall of Omens
38% of 1773 decks +34% synergy
Wood Elves
37% of 95 decks +31% synergy
Hostage Taker
36% of 1457 decks +32% synergy
Dour Port-Mage
36% of 1083 decks +34% synergy
Charming Prince
36% of 1773 decks +34% synergy
Loran of the Third Path
35% of 1773 decks +28% synergy
Imperial Recruiter
32% of 38 decks +26% synergy
Reclamation Sage
32% of 95 decks +22% synergy
Reflector Mage
31% of 1773 decks +30% synergy
Farhaven Elf
29% of 95 decks +26% synergy
Gonti, Lord of Luxury
29% of 1457 decks +27% synergy
Preston, the Vanisher
28% of 1773 decks +27% synergy
Satoru, the Infiltrator
28% of 1092 decks +26% synergy
Venser, Shaper Savant
27% of 1773 decks +25% synergy
Kiki-Jiki, Mirror Breaker
26% of 38 decks +23% synergy
Bloom Tender
26% of 95 decks +19% synergy
Esper Sentinel
25% of 1773 decks +6% synergy
Molten Gatekeeper
25% of 24 decks +22% synergy
Faeburrow Elder
24% of 95 decks +13% synergy
Noble Hierarch
24% of 95 decks +8% synergy
Dockside Extortionist
24% of 38 decks +18% synergy
Witch Enchanter
23% of 1226 decks +16% synergy
Flickerwisp
23% of 1773 decks +21% synergy
Sun Titan
22% of 1773 decks +13% synergy
Gray Merchant of Asphodel
21% of 1457 decks +12% synergy
Wall of Blossoms
21% of 95 decks +19% synergy
Dualcaster Mage
21% of 38 decks +17% synergy
Spellseeker
21% of 1773 decks +18% synergy
Skyclave Apparition
21% of 1773 decks +18% synergy
Agate Instigator
19% of 21 decks +16% synergy
Elvish Visionary
19% of 95 decks +17% synergy
Delighted Halfling
19% of 95 decks +7% synergy
Spirited Companion
18% of 1773 decks +14% synergy
Knight of Autumn
18% of 95 decks +16% synergy
Risen Reef
18% of 95 decks +15% synergy
Orcish Bowmasters
17% of 1457 decks +8% synergy
Ertai Resurrected
17% of 1457 decks +15% synergy
Thassa's Oracle
17% of 1773 decks +10% synergy
Instants
Dovin's Veto
48% of 1773 decks +30% synergy
Path to Exile
48% of 1773 decks +1% synergy
Eerie Interlude
44% of 1773 decks +40% synergy
Brainstorm
43% of 1773 decks +24% synergy
Void Rend
33% of 1457 decks +19% synergy
Teferi's Protection
29% of 1773 decks +11% synergy
An Offer You Can't Refuse
28% of 1773 decks +5% synergy
Cloudshift
28% of 1773 decks +25% synergy
Enlightened Tutor
28% of 1773 decks +11% synergy
Fierce Guardianship
27% of 1773 decks +9% synergy
Swan Song
25% of 1773 decks +9% synergy
Eladamri's Call
25% of 95 decks +16% synergy
Mana Drain
25% of 1773 decks +10% synergy
Anguished Unmaking
23% of 1457 decks -1% synergy
Heroic Intervention
22% of 95 decks -8% synergy
Momentary Blink
21% of 1773 decks +19% synergy
Assassin's Trophy
21% of 42 decks -9% synergy
Worldly Tutor
21% of 95 decks +8% synergy
Arcane Denial
21% of 1773 decks +0% synergy
Force of Will
19% of 1773 decks +9% synergy
Force of Negation
17% of 1773 decks +8% synergy
Negate
16% of 1773 decks -5% synergy
Chaos Warp
16% of 38 decks -15% synergy
Beast Within
16% of 95 decks -20% synergy
Semester's End
16% of 1773 decks +14% synergy
Chord of Calling
15% of 95 decks +9% synergy
Dark Ritual
15% of 1457 decks -9% synergy
Lae'zel's Acrobatics
14% of 1773 decks +12% synergy
Demonic Consultation
14% of 1457 decks +10% synergy
Essence Flux
13% of 1773 decks +10% synergy
Silence
13% of 1773 decks +6% synergy
Lim-Dûl's Vault
11% of 1457 decks +8% synergy
Pact of Negation
11% of 1773 decks +4% synergy
Crop Rotation
11% of 95 decks +1% synergy
Boros Charm
11% of 38 decks -13% synergy
Tainted Pact
10% of 1457 decks +6% synergy
Generous Gift
10% of 1773 decks -14% synergy
Sink into Stupor
10% of 1226 decks +0% synergy
Mortify
9% of 1457 decks -2% synergy
Despark
9% of 1457 decks -6% synergy
Flusterstorm
9% of 1773 decks +1% synergy
Deadly Rollick
8% of 1457 decks -4% synergy
Utter End
8% of 1457 decks +2% synergy
Flicker of Fate
8% of 1773 decks +7% synergy
Valakut Awakening
8% of 38 decks +3% synergy
Red Elemental Blast
8% of 38 decks +2% synergy
Wear // Tear
8% of 38 decks +1% synergy
Nature's Claim
7% of 95 decks -0% synergy
Growth Spiral
7% of 95 decks -14% synergy
Muddle the Mixture
7% of 1773 decks +2% synergy
Sorceries
Terminus
38% of 1773 decks +38% synergy
Farseek
38% of 95 decks +3% synergy
Supreme Verdict
38% of 1773 decks +24% synergy
Nature's Lore
33% of 95 decks +1% synergy
Ponder
33% of 1773 decks +21% synergy
Damn
31% of 1457 decks +16% synergy
Temporal Mastery
31% of 1773 decks +29% synergy
Farewell
26% of 1773 decks +13% synergy
Three Visits
25% of 95 decks +1% synergy
Cultivate
24% of 95 decks -20% synergy
Toxic Deluge
23% of 1457 decks +4% synergy
Devastation Tide
22% of 1773 decks +21% synergy
Eerie Ultimatum
21% of 42 decks +10% synergy
Blasphemous Act
21% of 38 decks -12% synergy
Neoform
19% of 95 decks +15% synergy
Rampant Growth
19% of 95 decks -15% synergy
Jeska's Will
18% of 38 decks +2% synergy
Eldritch Evolution
16% of 95 decks +11% synergy
Entreat the Angels
15% of 1773 decks +14% synergy
Kodama's Reach
15% of 95 decks -15% synergy
Gamble
13% of 38 decks +4% synergy
Windfall
13% of 1773 decks +1% synergy
Finale of Devastation
13% of 95 decks +5% synergy
Imperial Seal
11% of 1457 decks +5% synergy
Wargate
11% of 95 decks +8% synergy
Wheel of Fortune
11% of 38 decks +6% synergy
Preordain
10% of 1773 decks -0% synergy
Reanimate
10% of 1457 decks -8% synergy
Bala Ged Recovery
9% of 95 decks +1% synergy
Skyshroud Claim
9% of 95 decks +1% synergy
Entreat the Dead
9% of 1457 decks +9% synergy
Diabolic Tutor
9% of 1457 decks +3% synergy
Sevinne's Reclamation
8% of 1773 decks +1% synergy
Vandalblast
8% of 38 decks -8% synergy
Grim Tutor
8% of 1457 decks +3% synergy
Time Warp
8% of 1773 decks +6% synergy
Another Round
7% of 1334 decks +6% synergy
Time Wipe
7% of 1773 decks +1% synergy
Wrath of God
7% of 1773 decks +1% synergy
Approach of the Second Sun
7% of 1773 decks +3% synergy
Scheming Symmetry
6% of 1457 decks +5% synergy
Austere Command
6% of 1773 decks -6% synergy
Aminatou's Augury
6% of 1773 decks +5% synergy
Fabricate
5% of 1773 decks -0% synergy
Green Sun's Zenith
5% of 95 decks -0% synergy
Utility Artifacts
Sensei's Divining Top
28% of 1773 decks +23% synergy
Conjurer's Closet
27% of 1773 decks +24% synergy
The One Ring
17% of 1773 decks +9% synergy
Tithing Blade
12% of 1335 decks +11% synergy
Bolas's Citadel
10% of 1457 decks +1% synergy
Birthing Pod
9% of 95 decks +7% synergy
The Great Henge
9% of 95 decks -0% synergy
Cryogen Relic
9% of 127 decks +8% synergy
Strionic Resonator
9% of 1773 decks +6% synergy
Scroll of Fate
8% of 1773 decks +8% synergy
Ichormoon Gauntlet
8% of 1773 decks +7% synergy
The Chain Veil
8% of 1773 decks +7% synergy
The Wind Crystal
7% of 282 decks +3% synergy
The Water Crystal
6% of 282 decks +3% synergy
Swiftfoot Boots
5% of 1773 decks -22% synergy
Wayfarer's Bauble
5% of 1773 decks -4% synergy
Enchantments
Teleportation Circle
41% of 1773 decks +38% synergy
Mystic Remora
40% of 1773 decks +23% synergy
Reality Acid
34% of 1773 decks +34% synergy
Temur Ascendancy
31% of 13 decks +15% synergy
Virtue of Knowledge
28% of 1762 decks +26% synergy
Guardian Project
26% of 95 decks +18% synergy
Omen of the Sea
17% of 1773 decks +17% synergy
Out of Time
16% of 1773 decks +16% synergy
Outpost Siege
16% of 38 decks +14% synergy
Warleader's Call
14% of 28 decks +6% synergy
Animate Dead
14% of 1457 decks +4% synergy
Deification
12% of 1773 decks +11% synergy
Ghostly Prison
12% of 1773 decks +0% synergy
Oath of Liliana
11% of 1457 decks +11% synergy
Propaganda
11% of 1773 decks -2% synergy
Wild Growth
11% of 95 decks -0% synergy
Act of Authority
10% of 1773 decks +10% synergy
Splinter Twin
8% of 38 decks +7% synergy
Nahiri's Resolve
8% of 38 decks +6% synergy
Goblin Bombardment
8% of 38 decks +2% synergy
Blind Obedience
7% of 1773 decks +1% synergy
Food Chain
7% of 95 decks +6% synergy
Oath of Kaya
7% of 1457 decks +7% synergy
Parallax Wave
6% of 1773 decks +6% synergy
Fertile Ground
6% of 95 decks +3% synergy
Utopia Sprawl
6% of 95 decks -2% synergy
Necropotence
6% of 1457 decks +0% synergy
Sylvan Library
5% of 95 decks -5% synergy
Counterbalance
5% of 1773 decks +4% synergy
Touch the Spirit Realm
5% of 1773 decks +3% synergy
Battles
Invasion of Zendikar
5% of 95 decks +4% synergy
Planeswalkers
Teferi, Time Raveler
39% of 1773 decks +32% synergy
Saheeli Rai
29% of 38 decks +28% synergy
Venser, the Sojourner
28% of 1773 decks +26% synergy
The Eternal Wanderer
25% of 1773 decks +22% synergy
Dakkon, Shadow Slayer
23% of 1457 decks +22% synergy
Ashiok, Dream Render
17% of 1457 decks +14% synergy
Daretti, Scrap Savant
11% of 38 decks +8% synergy
Teferi, Master of Time
10% of 1773 decks +8% synergy
Teferi, Hero of Dominaria
8% of 1773 decks +6% synergy
Tyvar, Jubilant Brawler
7% of 42 decks +3% synergy
Teferi, Temporal Archmage
7% of 1773 decks +6% synergy
Jace, the Mind Sculptor
6% of 1773 decks +5% synergy
Utility Lands
Reliquary Tower
48% of 1773 decks +18% synergy
Bojuka Bog
47% of 1457 decks +17% synergy
Otawara, Soaring City
23% of 1773 decks +6% synergy
Mystic Sanctuary
23% of 1773 decks +11% synergy
Boseiju, Who Endures
20% of 95 decks +1% synergy
Halimar Depths
17% of 1773 decks +15% synergy
Ancient Tomb
17% of 1773 decks +7% synergy
Urza's Saga
16% of 1773 decks +9% synergy
Mortuary Mire
15% of 1457 decks +11% synergy
Urborg, Tomb of Yawgmoth
11% of 1773 decks +2% synergy
Piranha Marsh
10% of 1457 decks +9% synergy
Eiganjo, Seat of the Empire
9% of 1773 decks +1% synergy
Takenuma, Abandoned Mire
8% of 1457 decks -2% synergy
Gaea's Cradle
7% of 95 decks +2% synergy
Alchemist's Refuge
7% of 95 decks +1% synergy
Castle Vantress
6% of 1773 decks +3% synergy
Jidoor, Aristocratic Capital
6% of 306 decks +4% synergy
Forge of Heroes
6% of 1773 decks +5% synergy
Mistrise Village
6% of 467 decks -2% synergy
Karn's Bastion
6% of 1773 decks +1% synergy
Dryad Arbor
5% of 95 decks +1% synergy
Interplanar Beacon
5% of 1773 decks +5% synergy
Mana Artifacts
Sol Ring
95% of 1773 decks +11% synergy
Arcane Signet
89% of 1773 decks +17% synergy
Azorius Signet
53% of 1773 decks +30% synergy
Talisman of Dominance
51% of 1457 decks +19% synergy
Dimir Signet
50% of 1457 decks +23% synergy
Talisman of Progress
47% of 1773 decks +22% synergy
Orzhov Signet
46% of 1457 decks +21% synergy
Talisman of Hierarchy
45% of 1457 decks +19% synergy
Fellwar Stone
37% of 1773 decks +16% synergy
Talisman of Conviction
26% of 38 decks +2% synergy
Talisman of Creativity
26% of 38 decks -2% synergy
Izzet Signet
24% of 38 decks -3% synergy
Thought Vessel
22% of 1773 decks +4% synergy
Cursed Mirror
21% of 38 decks +15% synergy
Talisman of Curiosity
17% of 95 decks +4% synergy
Talisman of Unity
14% of 95 decks +6% synergy
Commander's Sphere
13% of 1773 decks -0% synergy
Chrome Mox
13% of 1773 decks +7% synergy
Chromatic Lantern
12% of 1773 decks +4% synergy
Mind Stone
12% of 1773 decks -4% synergy
Boros Signet
11% of 38 decks -11% synergy
Lotus Petal
10% of 1773 decks +3% synergy
Simic Signet
9% of 95 decks -3% synergy
Mana Crypt
9% of 1773 decks +5% synergy
Mox Amber
9% of 1773 decks +4% synergy
Selesnya Signet
8% of 95 decks +0% synergy
Mox Opal
8% of 1773 decks +4% synergy
Basalt Monolith
8% of 1773 decks +5% synergy
Talisman of Resilience
7% of 42 decks -6% synergy
Gilded Lotus
7% of 1773 decks +4% synergy
Coveted Jewel
7% of 1773 decks +6% synergy
Mox Diamond
7% of 1773 decks +2% synergy
Grim Monolith
5% of 1773 decks +3% synergy
Lands
Command Tower
95% of 1773 decks +20% synergy
Hallowed Fountain
71% of 1773 decks +31% synergy
Godless Shrine
70% of 1457 decks +31% synergy
Watery Grave
70% of 1457 decks +30% synergy
Steam Vents
66% of 38 decks +28% synergy
Breeding Pool
60% of 95 decks +20% synergy
Sacred Foundry
58% of 38 decks +23% synergy
Temple Garden
56% of 95 decks +17% synergy
Raffine's Tower
54% of 1457 decks +29% synergy
Glacial Fortress
54% of 1773 decks +24% synergy
Exotic Orchard
53% of 1773 decks +17% synergy
Flooded Strand
53% of 1773 decks +42% synergy
Sea of Clouds
53% of 1773 decks +27% synergy
Arcane Sanctum
50% of 1457 decks +22% synergy
Overgrown Tomb
50% of 42 decks +9% synergy
Spara's Headquarters
49% of 95 decks +21% synergy
Drowned Catacomb
47% of 1457 decks +19% synergy
Marsh Flats
47% of 1773 decks +36% synergy
Stomping Ground
46% of 13 decks +6% synergy
Isolated Chapel
46% of 1457 decks +14% synergy
Morphic Pool
45% of 1457 decks +20% synergy
Polluted Delta
45% of 1773 decks +33% synergy
Prairie Stream
44% of 1773 decks +10% synergy
Vault of Champions
42% of 1457 decks +17% synergy
Raugrin Triome
42% of 38 decks +17% synergy
Caves of Koilos
41% of 1457 decks +12% synergy
Blood Crypt
39% of 18 decks +1% synergy
Bountiful Promenade
38% of 95 decks +15% synergy
Sunken Hollow
38% of 1457 decks +3% synergy
The World Tree
36% of 11 decks +6% synergy
Rejuvenating Springs
36% of 95 decks +8% synergy
Training Center
34% of 38 decks +8% synergy
Adarkar Wastes
34% of 1773 decks +12% synergy
Spectator Seating
32% of 38 decks +7% synergy
Zagoth Triome
31% of 42 decks +2% synergy
Hinterland Harbor
29% of 95 decks -2% synergy
Deserted Beach
29% of 1773 decks +12% synergy
Indatha Triome
29% of 42 decks -0% synergy
Underground River
29% of 1457 decks +7% synergy
Yavimaya Coast
28% of 95 decks +1% synergy
Sulfur Falls
26% of 38 decks -7% synergy
Seaside Citadel
25% of 95 decks -2% synergy
Canopy Vista
25% of 95 decks -12% synergy
Shipwreck Marsh
24% of 1457 decks +6% synergy
Mystic Monastery
24% of 38 decks -5% synergy
Shivan Reef
24% of 38 decks -5% synergy
Crumbling Necropolis
22% of 18 decks -8% synergy
Sunpetal Grove
22% of 95 decks -4% synergy
Azorius Chancery
22% of 1773 decks +7% synergy
Temple of Enlightenment
21% of 1773 decks +5% synergy