Eirdu, Carrier of Dawn
Umbral Collar Zealot

   Prerequisites

What do I need to start this combo?
All permanents on the battlefield (Eirdu as Isilu, Carrier of Twilight on the battlefield).

   Steps

How does this combo work?
1
Activate Umbral Collar Zealot by sacrificing the undying creature.
2
When the creature dies, its undying ability triggers, returning the creature from your graveyard to the battlefield with a +1/+1 counter on it.
3
Activate Umbral Collar Zealot by sacrificing the undying creature.
4
When the creature dies, its persist ability triggers, returning it from your graveyard to the battlefield with a -1/-1 counter on it.
5
Resolve the Umbral Collar Zealot abilities from step 1 and 3.
6
Repeat.

   Results

What do I get from this combo?
Infinite LTB
Infinite ETB
Infinite sacrifice triggers
Infinite death triggers
Infinite surveil
Eirdu, Carrier of Dawn
39%inclusion482 decks1.23K decks
Top Commanders
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1.4%inclusion42 decks2.93K decks
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1.1%inclusion14 decks1.33K decks
Teysa Karlov
0.2%inclusion10 decks4.47K decks
Karador, Ghost Chieftain
0.3%inclusion4 decks1.35K decks
Tayam, Luminous Enigma
0.2%inclusion4 decks1.91K decks
Orah, Skyclave Hierophant
0.4%inclusion3 decks761 decks
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0.1%inclusion3 decks4.08K decks
Shadrix Silverquill
0.3%inclusion2 decks726 decks
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0.1%inclusion2 decks1.77K decks
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0.0%inclusion1 decks3.83K decks
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0.2%inclusion1 decks528 decks
Ravos, Soultender // Tana, the Bloodsower
0.5%inclusion1 decks189 decks
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0.1%inclusion1 decks1.57K decks
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0.0%inclusion1 decks2.46K decks
Krav, the Unredeemed // Regna, the Redeemer
0.3%inclusion1 decks311 decks
Elenda, the Dusk Rose
0.1%inclusion1 decks1.38K decks
Myrkul, Lord of Bones
0.1%inclusion1 decks1.46K decks
New Cards
Midnight Tilling
50%inclusion1 decks2 decks
50%synergy
Formidable Speaker
29%inclusion4 decks14 decks
28%synergy
Bitterbloom Bearer
25%inclusion143 decks583 decks
24%synergy
Emptiness
23%inclusion137 decks583 decks
23%synergy
Rhys, the Evermore
18%inclusion36 decks195 decks
18%synergy
High Synergy Cards
Murderous Redcap
89%inclusion39 decks44 decks
87%synergy
Goblin Bombardment
86%inclusion38 decks44 decks
81%synergy
Viscera Seer
83%inclusion486 decks583 decks
75%synergy
Elas il-Kor, Sadistic Pilgrim
74%inclusion434 decks583 decks
65%synergy
Ashnod's Altar
70%inclusion409 decks583 decks
64%synergy
Zulaport Cutthroat
68%inclusion394 decks583 decks
59%synergy
Carrion Feeder
62%inclusion364 decks583 decks
58%synergy
Cruel Celebrant
65%inclusion378 decks583 decks
57%synergy
Warren Soultrader
62%inclusion360 decks583 decks
56%synergy
Pitiless Plunderer
65%inclusion377 decks583 decks
56%synergy
Top Cards
Swords to Plowshares
66%inclusion382 decks583 decks
4%synergy
Blood Artist
65%inclusion379 decks583 decks
54%synergy
Mayhem Devil
59%inclusion26 decks44 decks
49%synergy
Phyrexian Altar
57%inclusion333 decks583 decks
54%synergy
Skullclamp
56%inclusion327 decks583 decks
45%synergy
Path to Exile
54%inclusion317 decks583 decks
7%synergy
Marionette Apprentice
53%inclusion308 decks583 decks
48%synergy
Mikaeus, the Unhallowed
52%inclusion305 decks583 decks
50%synergy
Luminous Broodmoth
51%inclusion297 decks583 decks
48%synergy
Dark Ritual
51%inclusion295 decks583 decks
26%synergy
Game Changers
Demonic Tutor
26%inclusion153 decks583 decks
7%synergy
Gamble
25%inclusion11 decks44 decks
16%synergy
Underworld Breach
20%inclusion9 decks44 decks
14%synergy
Vampiric Tutor
18%inclusion104 decks583 decks
3%synergy
Ancient Tomb
13%inclusion78 decks583 decks
4%synergy
Orcish Bowmasters
10%inclusion56 decks583 decks
1%synergy
Necropotence
7.9%inclusion46 decks583 decks
3%synergy
Imperial Seal
7.0%inclusion41 decks583 decks
2%synergy
Chrome Mox
7.0%inclusion41 decks583 decks
1%synergy
Mana Vault
6.7%inclusion39 decks583 decks
1%synergy
Creatures
Solemn Simulacrum
50%inclusion294 decks583 decks
38%synergy
Grim Haruspex
50%inclusion292 decks583 decks
47%synergy
Anger
50%inclusion22 decks44 decks
44%synergy
Birds of Paradise
47%inclusion7 decks15 decks
19%synergy
Geralf's Messenger
46%inclusion268 decks583 decks
46%synergy
Corpse Knight
45%inclusion263 decks583 decks
40%synergy
Witch Enchanter
44%inclusion254 decks583 decks
36%synergy
Sephiroth, Fabled SOLDIER
43%inclusion248 decks583 decks
40%synergy
Yawgmoth, Thran Physician
42%inclusion242 decks583 decks
38%synergy
Kitchen Finks
40%inclusion6 decks15 decks
40%synergy
Woe Strider
39%inclusion229 decks583 decks
37%synergy
Scholar of New Horizons
38%inclusion221 decks583 decks
37%synergy
Bartolomé del Presidio
38%inclusion220 decks583 decks
33%synergy
Morbid Opportunist
38%inclusion220 decks583 decks
30%synergy
Gray Merchant of Asphodel
34%inclusion201 decks583 decks
26%synergy
Terra, Herald of Hope
34%inclusion15 decks44 decks
33%synergy
Honest Rutstein
33%inclusion5 decks15 decks
28%synergy
Disciple of Freyalise
33%inclusion5 decks15 decks
28%synergy
Alesha, Who Laughs at Fate
32%inclusion14 decks44 decks
28%synergy
Vizier of Remedies
32%inclusion185 decks583 decks
32%synergy
Midnight Reaper
32%inclusion185 decks583 decks
29%synergy
Esper Sentinel
31%inclusion180 decks583 decks
12%synergy
Lotho, Corrupt Shirriff
30%inclusion174 decks583 decks
17%synergy
Chainer, Nightmare Adept
30%inclusion13 decks44 decks
25%synergy
Elenda, the Dusk Rose
29%inclusion171 decks583 decks
24%synergy
Pawn of Ulamog
28%inclusion164 decks583 decks
26%synergy
Butcher Ghoul
27%inclusion160 decks583 decks
27%synergy
Satyr Wayfinder
27%inclusion4 decks15 decks
25%synergy
Spore Frog
27%inclusion4 decks15 decks
24%synergy
Wood Elves
27%inclusion4 decks15 decks
22%synergy
Eternal Witness
27%inclusion4 decks15 decks
9%synergy
Sun Titan
27%inclusion155 decks583 decks
18%synergy
Furystoke Giant
25%inclusion11 decks44 decks
25%synergy
Imperial Recruiter
25%inclusion11 decks44 decks
20%synergy
Braids, Arisen Nightmare
24%inclusion139 decks583 decks
17%synergy
Welcoming Vampire
23%inclusion136 decks583 decks
17%synergy
Charismatic Conqueror
23%inclusion134 decks583 decks
20%synergy
Loran of the Third Path
22%inclusion126 decks583 decks
15%synergy
Junji, the Midnight Sky
21%inclusion125 decks583 decks
19%synergy
Teysa Karlov
21%inclusion123 decks583 decks
16%synergy
Thunderblust
20%inclusion9 decks44 decks
20%synergy
Flayer of the Hatebound
20%inclusion9 decks44 decks
20%synergy
Banon, the Returners' Leader
20%inclusion9 decks44 decks
19%synergy
Vengeful Bloodwitch
20%inclusion118 decks583 decks
19%synergy
Enduring Innocence
20%inclusion118 decks583 decks
16%synergy
Accursed Marauder
20%inclusion118 decks583 decks
15%synergy
Syr Konrad, the Grim
20%inclusion118 decks583 decks
12%synergy
Melira, Sylvok Outcast
20%inclusion3 decks15 decks
20%synergy
Basking Broodscale
20%inclusion3 decks15 decks
18%synergy
Fiend Artisan
20%inclusion3 decks15 decks
18%synergy
Instants
Deadly Dispute
48%inclusion282 decks583 decks
36%synergy
Anguished Unmaking
47%inclusion272 decks583 decks
22%synergy
Village Rites
40%inclusion233 decks583 decks
31%synergy
Generous Gift
30%inclusion174 decks583 decks
7%synergy
Deflecting Swat
30%inclusion13 decks44 decks
13%synergy
Fell the Profane
28%inclusion165 decks583 decks
19%synergy
Malakir Rebirth
27%inclusion156 decks583 decks
19%synergy
Corrupted Conviction
25%inclusion148 decks583 decks
21%synergy
Flare of Fortitude
23%inclusion137 decks583 decks
19%synergy
Plumb the Forbidden
22%inclusion128 decks583 decks
19%synergy
Inkshield
21%inclusion121 decks583 decks
14%synergy
Assassin's Trophy
20%inclusion3 decks15 decks
-10%synergy
Despark
20%inclusion115 decks583 decks
6%synergy
Deadly Rollick
19%inclusion110 decks583 decks
5%synergy
Burnt Offering
18%inclusion8 decks44 decks
16%synergy
Big Score
18%inclusion8 decks44 decks
8%synergy
Culling the Weak
16%inclusion93 decks583 decks
12%synergy
Pyroblast
16%inclusion7 decks44 decks
10%synergy
Crackling Doom
16%inclusion7 decks44 decks
9%synergy
Laughing Mad
14%inclusion6 decks44 decks
12%synergy
Red Elemental Blast
14%inclusion6 decks44 decks
8%synergy
Enlightened Tutor
13%inclusion77 decks583 decks
-2%synergy
Stroke of Midnight
12%inclusion72 decks583 decks
2%synergy
Saw in Half
12%inclusion69 decks583 decks
8%synergy
First Day of Class
11%inclusion5 decks44 decks
11%synergy
Redirect Lightning
11%inclusion5 decks44 decks
6%synergy
Untimely Malfunction
11%inclusion5 decks44 decks
3%synergy
Teferi's Protection
11%inclusion65 decks583 decks
-6%synergy
Silence
11%inclusion62 decks583 decks
4%synergy
Fracture
10%inclusion60 decks583 decks
5%synergy
Flare of Malice
9.3%inclusion54 decks583 decks
7%synergy
Clever Concealment
9.3%inclusion54 decks583 decks
5%synergy
Entomb
9.3%inclusion54 decks583 decks
2%synergy
Bolt Bend
9.1%inclusion4 decks44 decks
5%synergy
Bedevil
9.1%inclusion4 decks44 decks
-3%synergy
Mortify
8.9%inclusion52 decks583 decks
-2%synergy
Imp's Mischief
8.6%inclusion50 decks583 decks
5%synergy
Ephemerate
8.6%inclusion50 decks583 decks
3%synergy
Cauldron Haze
8.1%inclusion47 decks583 decks
8%synergy
Reprieve
8.1%inclusion47 decks583 decks
4%synergy
Afterlife Insurance
7.9%inclusion46 decks583 decks
7%synergy
Cabal Ritual
6.9%inclusion40 decks583 decks
2%synergy
Wear // Tear
6.8%inclusion3 decks44 decks
0%synergy
Chaos Warp
6.8%inclusion3 decks44 decks
-23%synergy
Duty Beyond Death
6.3%inclusion37 decks583 decks
5%synergy
Dawn's Truce
6.3%inclusion37 decks583 decks
-1%synergy
Sejiri Shelter
5.8%inclusion34 decks583 decks
3%synergy
Flawless Maneuver
5.7%inclusion33 decks583 decks
-5%synergy
Sorceries
Victimize
43%inclusion248 decks583 decks
30%synergy
Damn
42%inclusion245 decks583 decks
27%synergy
Reanimate
39%inclusion229 decks583 decks
20%synergy
Faithless Looting
34%inclusion15 decks44 decks
18%synergy
Diabolic Intent
32%inclusion185 decks583 decks
24%synergy
Toxic Deluge
28%inclusion163 decks583 decks
10%synergy
Blasphemous Act
20%inclusion9 decks44 decks
-13%synergy
Night's Whisper
19%inclusion108 decks583 decks
9%synergy
Ruinous Ultimatum
18%inclusion8 decks44 decks
-1%synergy
Blasphemous Edict
16%inclusion94 decks583 decks
10%synergy
Agadeem's Awakening
14%inclusion83 decks583 decks
11%synergy
Sevinne's Reclamation
13%inclusion77 decks583 decks
6%synergy
Sign in Blood
12%inclusion72 decks583 decks
3%synergy
Austere Command
12%inclusion71 decks583 decks
0%synergy
Jeska's Will
11%inclusion5 decks44 decks
-4%synergy
Living Death
11%inclusion66 decks583 decks
6%synergy
Dread Return
10%inclusion58 decks583 decks
5%synergy
Vandalblast
9.1%inclusion4 decks44 decks
-7%synergy
Farewell
7.9%inclusion46 decks583 decks
-5%synergy
Raise the Past
7.0%inclusion41 decks583 decks
6%synergy
Sundering Eruption
6.8%inclusion3 decks44 decks
3%synergy
Wheel of Fortune
6.8%inclusion3 decks44 decks
2%synergy
Beseech the Mirror
6.7%inclusion39 decks583 decks
3%synergy
Rite of Oblivion
6.0%inclusion35 decks583 decks
4%synergy
Morningtide's Light
5.8%inclusion34 decks583 decks
6%synergy
Grim Tutor
5.8%inclusion34 decks583 decks
2%synergy
Buried Alive
5.5%inclusion32 decks583 decks
-1%synergy
Lively Dirge
5.1%inclusion30 decks583 decks
3%synergy
Wrath of God
5.1%inclusion30 decks583 decks
0%synergy
Exsanguinate
5.1%inclusion30 decks583 decks
-2%synergy
Utility Artifacts
Altar of Dementia
41%inclusion241 decks583 decks
39%synergy
Lightning Greaves
34%inclusion199 decks583 decks
9%synergy
Blasting Station
28%inclusion166 decks583 decks
28%synergy
Swiftfoot Boots
20%inclusion119 decks583 decks
-7%synergy
The Great Henge
20%inclusion3 decks15 decks
11%synergy
Oketra's Monument
14%inclusion80 decks583 decks
12%synergy
The One Ring
9.1%inclusion53 decks583 decks
1%synergy
Pearl Medallion
8.6%inclusion50 decks583 decks
6%synergy
Jet Medallion
8.1%inclusion47 decks583 decks
4%synergy
Spawning Pit
7.5%inclusion44 decks583 decks
7%synergy
Bolas's Citadel
7.5%inclusion44 decks583 decks
-1%synergy
Cauldron of Souls
6.3%inclusion37 decks583 decks
6%synergy
Wayfarer's Bauble
5.8%inclusion34 decks583 decks
-2%synergy
Enchantments
Bastion of Remembrance
50%inclusion293 decks583 decks
44%synergy
Impact Tremors
50%inclusion22 decks44 decks
40%synergy
Cathars' Crusade
44%inclusion256 decks583 decks
39%synergy
Solemnity
37%inclusion215 decks583 decks
36%synergy
The Meathook Massacre
33%inclusion193 decks583 decks
28%synergy
Black Market Connections
28%inclusion165 decks583 decks
16%synergy
Thran Vigil
28%inclusion164 decks583 decks
28%synergy
Bitterblossom
24%inclusion141 decks583 decks
20%synergy
Grave Pact
22%inclusion128 decks583 decks
17%synergy
Phyrexian Arena
21%inclusion121 decks583 decks
5%synergy
Birthing Ritual
20%inclusion3 decks15 decks
19%synergy
Abzan Ascendancy
20%inclusion3 decks15 decks
19%synergy
Insidious Roots
20%inclusion3 decks15 decks
14%synergy
Smothering Tithe
18%inclusion106 decks583 decks
-3%synergy
Warleader's Call
16%inclusion7 decks44 decks
8%synergy
Funeral Room // Awakening Hall
13%inclusion73 decks583 decks
11%synergy
Animate Dead
12%inclusion72 decks583 decks
3%synergy
Sothera, the Supervoid
11%inclusion64 decks583 decks
10%synergy
Land Tax
9.1%inclusion53 decks583 decks
3%synergy
Barrensteppe Siege
7.9%inclusion46 decks583 decks
6%synergy
Dictate of Erebos
7.4%inclusion43 decks583 decks
4%synergy
Martyr's Cause
7.2%inclusion42 decks583 decks
7%synergy
Fanatical Devotion
6.9%inclusion40 decks583 decks
6%synergy
Trouble in Pairs
6.9%inclusion40 decks583 decks
2%synergy
Thunder of Unity
6.8%inclusion3 decks44 decks
5%synergy
Skrelv's Hive
6.2%inclusion36 decks583 decks
4%synergy
Felidar Retreat
5.8%inclusion34 decks583 decks
0%synergy
Tocasia's Welcome
5.7%inclusion33 decks583 decks
2%synergy
Planeswalkers
Grist, the Hunger Tide
27%inclusion4 decks15 decks
23%synergy
Liliana, Dreadhorde General
14%inclusion82 decks583 decks
10%synergy
Elspeth, Storm Slayer
6.2%inclusion36 decks583 decks
1%synergy
Utility Lands
Boseiju, Who Endures
53%inclusion8 decks15 decks
34%synergy
Phyrexian Tower
50%inclusion289 decks583 decks
41%synergy
Bojuka Bog
42%inclusion247 decks583 decks
13%synergy
High Market
34%inclusion197 decks583 decks
31%synergy
Urborg, Tomb of Yawgmoth
31%inclusion178 decks583 decks
22%synergy
Shifting Woodland
27%inclusion4 decks15 decks
20%synergy
Takenuma, Abandoned Mire
24%inclusion140 decks583 decks
15%synergy
Reliquary Tower
23%inclusion137 decks583 decks
-6%synergy
Susur Secundi, Void Altar
22%inclusion130 decks583 decks
20%synergy
Midgar, City of Mako
19%inclusion112 decks583 decks
15%synergy
Vault of the Archangel
18%inclusion105 decks583 decks
6%synergy
Eiganjo, Seat of the Empire
15%inclusion90 decks583 decks
8%synergy
Spymaster's Vault
13%inclusion77 decks583 decks
10%synergy
Westvale Abbey
12%inclusion72 decks583 decks
10%synergy
Abandoned Air Temple
12%inclusion50 decks409 decks
7%synergy
Cabal Coffers
11%inclusion65 decks583 decks
1%synergy
Nesting Grounds
9.3%inclusion54 decks583 decks
7%synergy
Command Beacon
7.9%inclusion46 decks583 decks
3%synergy
Urza's Saga
7.9%inclusion46 decks583 decks
1%synergy
Castle Locthwain
6.9%inclusion40 decks583 decks
3%synergy
Nykthos, Shrine to Nyx
5.8%inclusion34 decks583 decks
0%synergy
Mana Artifacts
Sol Ring
87%inclusion507 decks583 decks
3%synergy
Arcane Signet
86%inclusion503 decks583 decks
14%synergy
Talisman of Hierarchy
69%inclusion400 decks583 decks
42%synergy
Orzhov Signet
54%inclusion316 decks583 decks
31%synergy
Talisman of Indulgence
52%inclusion23 decks44 decks
24%synergy
Talisman of Conviction
45%inclusion20 decks44 decks
21%synergy
Fellwar Stone
34%inclusion196 decks583 decks
13%synergy
Rakdos Signet
27%inclusion12 decks44 decks
2%synergy
The Soul Stone
22%inclusion126 decks583 decks
18%synergy
Boros Signet
20%inclusion9 decks44 decks
1%synergy
Talisman of Unity
20%inclusion3 decks15 decks
12%synergy
Talisman of Resilience
20%inclusion3 decks15 decks
7%synergy
Mind Stone
15%inclusion89 decks583 decks
0%synergy
Thought Vessel
13%inclusion78 decks583 decks
-4%synergy
Lotus Petal
8.1%inclusion47 decks583 decks
1%synergy
Crowded Crypt
6.3%inclusion37 decks583 decks
5%synergy
Lands
Morphic Pool
100%inclusion3 decks3 decks
75%synergy
Hallowed Fountain
100%inclusion3 decks3 decks
60%synergy
Command Tower
91%inclusion533 decks583 decks
17%synergy
Temple Garden
80%inclusion12 decks15 decks
41%synergy
Overgrown Tomb
80%inclusion12 decks15 decks
40%synergy
Godless Shrine
77%inclusion451 decks583 decks
36%synergy
Sacred Foundry
75%inclusion33 decks44 decks
38%synergy
Isolated Chapel
75%inclusion437 decks583 decks
42%synergy
Blood Crypt
70%inclusion31 decks44 decks
33%synergy
Caves of Koilos
69%inclusion400 decks583 decks
39%synergy
Indatha Triome
60%inclusion9 decks15 decks
32%synergy
Fetid Heath
56%inclusion328 decks583 decks
43%synergy
Shattered Sanctum
56%inclusion324 decks583 decks
41%synergy
Vault of Champions
56%inclusion324 decks583 decks
31%synergy
Dragonskull Summit
55%inclusion24 decks44 decks
20%synergy
Clifftop Retreat
55%inclusion24 decks44 decks
20%synergy
Overgrown Farmland
53%inclusion8 decks15 decks
36%synergy
Savai Triome
50%inclusion22 decks44 decks
26%synergy
Battlefield Forge
50%inclusion22 decks44 decks
21%synergy
Marsh Flats
50%inclusion289 decks583 decks
39%synergy
Tainted Field
47%inclusion275 decks583 decks
34%synergy
Bleachbone Verge
47%inclusion273 decks583 decks
39%synergy
Lush Portico
47%inclusion7 decks15 decks
38%synergy
Underground Mortuary
47%inclusion7 decks15 decks
34%synergy
Deathcap Glade
47%inclusion7 decks15 decks
34%synergy
Woodland Cemetery
47%inclusion7 decks15 decks
15%synergy
Luxury Suite
45%inclusion20 decks44 decks
21%synergy
Spectator Seating
43%inclusion19 decks44 decks
20%synergy
Shadowy Backstreet
43%inclusion248 decks583 decks
32%synergy
Sulfurous Springs
41%inclusion18 decks44 decks
17%synergy
Nomad Outpost
41%inclusion18 decks44 decks
11%synergy
Sunpetal Grove
40%inclusion6 decks15 decks
12%synergy
Raucous Theater
36%inclusion16 decks44 decks
26%synergy
Brightclimb Pathway
35%inclusion205 decks583 decks
27%synergy
Elegant Parlor
34%inclusion15 decks44 decks
27%synergy
Sandsteppe Citadel
33%inclusion5 decks15 decks
8%synergy
Exotic Orchard
32%inclusion186 decks583 decks
-4%synergy
Shineshadow Snarl
31%inclusion183 decks583 decks
19%synergy
Smoldering Marsh
30%inclusion13 decks44 decks
-4%synergy
Rugged Prairie
27%inclusion12 decks44 decks
13%synergy
Orzhov Basilica
27%inclusion159 decks583 decks
13%synergy
Brushland
27%inclusion4 decks15 decks
7%synergy
Llanowar Wastes
27%inclusion4 decks15 decks
0%synergy
Blazemire Verge
25%inclusion11 decks44 decks
14%synergy
Silent Clearing
24%inclusion139 decks583 decks
19%synergy
Temple of Silence
24%inclusion138 decks583 decks
6%synergy
Graven Cairns
20%inclusion9 decks44 decks
11%synergy
Plateau
20%inclusion9 decks44 decks
8%synergy
Badlands
20%inclusion9 decks44 decks
7%synergy
Sundown Pass
20%inclusion9 decks44 decks
5%synergy