Marina Vendrell
Unholy Annex // Ritual Chamber
Intruder Alarm
Forensic Researcher

   Prerequisites

What do I need to start this combo?
All permanents on the battlefield.
Ritual Chamber is locked. Marina and Forensic Researcher do not have summoning sickness.

   Steps

How does this combo work?
1
Activate Marina by tapping it, unlocking Ritual Chamber.
2
Ritual Chamber triggers, creating a 6/6 Demon creature token with flying.
3
When the Demon enters the battlefield, Intruder Alarm triggers, untapping all creatures.
4
Activate Marina by tapping it, locking Ritual Chamber.
5
Activate Forensic Researcher by tapping it, untapping Marina.
6
Repeat.

   Results

What do I get from this combo?
Infinite ETB
Infinite creature tokens
Infinite mana creatures you control can produce
Infinite untap of all creatures
Marina Vendrell
0.2%inclusion18 decks11K decks
High Synergy Cards
Ghostly Dancers
94%inclusion17 decks18 decks
92%synergy
Central Elevator // Promising Stairs
94%inclusion17 decks18 decks
92%synergy
Roaring Furnace // Steaming Sauna
94%inclusion17 decks18 decks
92%synergy
Greenhouse // Rickety Gazebo
89%inclusion16 decks18 decks
86%synergy
Balemurk Leech
83%inclusion15 decks18 decks
82%synergy
Restricted Office // Lecture Hall
83%inclusion15 decks18 decks
81%synergy
Smoky Lounge // Misty Salon
78%inclusion14 decks18 decks
76%synergy
Kelpie Guide
72%inclusion13 decks18 decks
72%synergy
Kiora's Follower
72%inclusion13 decks18 decks
71%synergy
Gremlin Tamer
72%inclusion13 decks18 decks
71%synergy
Top Cards
Mirror Room // Fractured Realm
72%inclusion13 decks18 decks
69%synergy
Entity Tracker
72%inclusion13 decks18 decks
69%synergy
Inquisitive Glimmer
72%inclusion13 decks18 decks
68%synergy
Sanctum Weaver
72%inclusion13 decks18 decks
62%synergy
Surgical Suite // Hospital Room
67%inclusion12 decks18 decks
65%synergy
Charred Foyer // Warped Space
67%inclusion12 decks18 decks
65%synergy
Dollmaker's Shop // Porcelain Gallery
61%inclusion11 decks18 decks
59%synergy
Funeral Room // Awakening Hall
61%inclusion11 decks18 decks
59%synergy
Meat Locker // Drowned Diner
61%inclusion11 decks18 decks
59%synergy
Secret Arcade // Dusty Parlor
61%inclusion11 decks18 decks
59%synergy
Game Changers
Enlightened Tutor
39%inclusion7 decks18 decks
25%synergy
Vampiric Tutor
22%inclusion4 decks18 decks
8%synergy
Demonic Tutor
17%inclusion3 decks18 decks
-2%synergy
Creatures
Victor, Valgavoth's Seneschal
56%inclusion10 decks18 decks
54%synergy
Sythis, Harvest's Hand
56%inclusion10 decks18 decks
46%synergy
Vizier of Tumbling Sands
50%inclusion9 decks18 decks
49%synergy
Faeburrow Elder
50%inclusion9 decks18 decks
31%synergy
Ioreth of the Healing House
44%inclusion8 decks18 decks
43%synergy
Fear of Sleep Paralysis
44%inclusion8 decks18 decks
43%synergy
Eidolon of Blossoms
44%inclusion8 decks18 decks
37%synergy
Mesa Enchantress
39%inclusion7 decks18 decks
35%synergy
Scrabbling Skullcrab
33%inclusion6 decks18 decks
33%synergy
Enduring Vitality
33%inclusion6 decks18 decks
27%synergy
Jukai Naturalist
33%inclusion6 decks18 decks
26%synergy
Dryad of the Ilysian Grove
33%inclusion6 decks18 decks
20%synergy
Seeker of Skybreak
28%inclusion5 decks18 decks
28%synergy
Grim Guardian
28%inclusion5 decks18 decks
27%synergy
Ondu Spiritdancer
28%inclusion5 decks18 decks
26%synergy
Zur, Eternal Schemer
28%inclusion5 decks18 decks
24%synergy
Setessan Champion
28%inclusion5 decks18 decks
21%synergy
Bloom Tender
28%inclusion5 decks18 decks
11%synergy
Birds of Paradise
28%inclusion5 decks18 decks
3%synergy
Creeping Peeper
22%inclusion4 decks18 decks
22%synergy
Optimistic Scavenger
22%inclusion4 decks18 decks
21%synergy
Moon-Blessed Cleric
22%inclusion4 decks18 decks
21%synergy
Composer of Spring
22%inclusion4 decks18 decks
21%synergy
Bello, Bard of the Brambles
22%inclusion4 decks18 decks
20%synergy
Archon of Sun's Grace
22%inclusion4 decks18 decks
19%synergy
Doomwake Giant
22%inclusion4 decks18 decks
19%synergy
Yenna, Redtooth Regent
22%inclusion4 decks18 decks
19%synergy
Destiny Spinner
22%inclusion4 decks18 decks
18%synergy
Noble Hierarch
22%inclusion4 decks18 decks
13%synergy
Clever Conjurer
17%inclusion3 decks18 decks
17%synergy
Aphetto Alchemist
17%inclusion3 decks18 decks
16%synergy
Unwilling Vessel
17%inclusion3 decks18 decks
16%synergy
Twitching Doll
17%inclusion3 decks18 decks
15%synergy
Purphoros, God of the Forge
17%inclusion3 decks18 decks
15%synergy
Overlord of the Hauntwoods
17%inclusion3 decks18 decks
14%synergy
Starfield Mystic
17%inclusion3 decks18 decks
14%synergy
Satyr Enchanter
17%inclusion3 decks18 decks
13%synergy
Deathrite Shaman
17%inclusion3 decks18 decks
11%synergy
Instants
Swords to Plowshares
44%inclusion8 decks18 decks
5%synergy
Path to Exile
33%inclusion6 decks18 decks
6%synergy
Counterspell
22%inclusion4 decks18 decks
-1%synergy
Ephemerate
17%inclusion3 decks18 decks
14%synergy
Arcane Denial
17%inclusion3 decks18 decks
10%synergy
Generous Gift
17%inclusion3 decks18 decks
10%synergy
Assassin's Trophy
17%inclusion3 decks18 decks
3%synergy
Sorceries
Farseek
33%inclusion6 decks18 decks
-10%synergy
Idyllic Tutor
22%inclusion4 decks18 decks
18%synergy
Blasphemous Act
22%inclusion4 decks18 decks
12%synergy
Cultivate
22%inclusion4 decks18 decks
-12%synergy
Redress Fate
17%inclusion3 decks18 decks
15%synergy
Extinguish All Hope
17%inclusion3 decks18 decks
14%synergy
Rampant Growth
17%inclusion3 decks18 decks
-4%synergy
Utility Artifacts
Thousand-Year Elixir
28%inclusion5 decks18 decks
27%synergy
Keys to the House
22%inclusion4 decks18 decks
21%synergy
Lightning Greaves
22%inclusion4 decks18 decks
5%synergy
Illusionist's Bracers
17%inclusion3 decks18 decks
16%synergy
Enchantments
Bottomless Pool // Locker Room
61%inclusion11 decks18 decks
59%synergy
Dazzling Theater // Prop Room
61%inclusion11 decks18 decks
59%synergy
Spiked Corridor // Torture Pit
56%inclusion10 decks18 decks
55%synergy
Grand Entryway // Elegant Rotunda
56%inclusion10 decks18 decks
54%synergy
Cramped Vents // Access Maze
56%inclusion10 decks18 decks
54%synergy
Derelict Attic // Widow's Walk
56%inclusion10 decks18 decks
54%synergy
Underwater Tunnel // Slimy Aquarium
50%inclusion9 decks18 decks
49%synergy
Painter's Studio // Defaced Gallery
50%inclusion9 decks18 decks
49%synergy
Defiled Crypt // Cadaver Lab
50%inclusion9 decks18 decks
48%synergy
Glassworks // Shattered Yard
50%inclusion9 decks18 decks
48%synergy
Moldering Gym // Weight Room
50%inclusion9 decks18 decks
48%synergy
Walk-In Closet // Forgotten Cellar
50%inclusion9 decks18 decks
48%synergy
Ticket Booth // Tunnel of Hate
39%inclusion7 decks18 decks
38%synergy
Starfield of Nyx
39%inclusion7 decks18 decks
35%synergy
Sphere of Safety
39%inclusion7 decks18 decks
33%synergy
Freed from the Real
33%inclusion6 decks18 decks
32%synergy
Fertile Ground
33%inclusion6 decks18 decks
29%synergy
Enchantress's Presence
33%inclusion6 decks18 decks
26%synergy
Pemmin's Aura
28%inclusion5 decks18 decks
27%synergy
Sigil of the Empty Throne
28%inclusion5 decks18 decks
24%synergy
Ghostly Prison
28%inclusion5 decks18 decks
21%synergy
Propaganda
28%inclusion5 decks18 decks
20%synergy
Polluted Cistern // Dim Oubliette
22%inclusion4 decks18 decks
21%synergy
Impact Tremors
22%inclusion4 decks18 decks
20%synergy
Spelunking
22%inclusion4 decks18 decks
17%synergy
Sterling Grove
22%inclusion4 decks18 decks
14%synergy
Leyline of the Guildpact
22%inclusion4 decks18 decks
7%synergy
Opalescence
17%inclusion3 decks18 decks
16%synergy
Experimental Lab // Staff Room
17%inclusion3 decks18 decks
16%synergy
Wild Growth
17%inclusion3 decks18 decks
13%synergy
Utility Lands
Hall of Heliod's Generosity
44%inclusion8 decks18 decks
38%synergy
Reliquary Tower
44%inclusion8 decks18 decks
18%synergy
Mana Artifacts
Sol Ring
72%inclusion13 decks18 decks
-7%synergy
Arcane Signet
67%inclusion12 decks18 decks
-8%synergy
Chromatic Lantern
39%inclusion7 decks18 decks
-12%synergy
Fellwar Stone
28%inclusion5 decks18 decks
-3%synergy
Thought Vessel
22%inclusion4 decks18 decks
15%synergy
Commander's Sphere
17%inclusion3 decks18 decks
-1%synergy
Lands
Command Tower
94%inclusion17 decks18 decks
6%synergy
Exotic Orchard
78%inclusion14 decks18 decks
16%synergy
Valgavoth's Lair
61%inclusion11 decks18 decks
58%synergy
Path of Ancestry
56%inclusion10 decks18 decks
13%synergy
Breeding Pool
50%inclusion9 decks18 decks
20%synergy
Flooded Strand
44%inclusion8 decks18 decks
19%synergy
Hallowed Fountain
44%inclusion8 decks18 decks
19%synergy
Temple Garden
44%inclusion8 decks18 decks
16%synergy
Polluted Delta
39%inclusion7 decks18 decks
15%synergy
Watery Grave
39%inclusion7 decks18 decks
15%synergy
Wooded Foothills
39%inclusion7 decks18 decks
13%synergy
Misty Rainforest
39%inclusion7 decks18 decks
12%synergy
Windswept Heath
39%inclusion7 decks18 decks
11%synergy
Overgrown Tomb
39%inclusion7 decks18 decks
11%synergy
Stomping Ground
39%inclusion7 decks18 decks
10%synergy
Evolving Wilds
33%inclusion6 decks18 decks
13%synergy
Blood Crypt
33%inclusion6 decks18 decks
12%synergy
Spara's Headquarters
33%inclusion6 decks18 decks
12%synergy
Bloodstained Mire
33%inclusion6 decks18 decks
11%synergy
Indatha Triome
33%inclusion6 decks18 decks
11%synergy
Arid Mesa
33%inclusion6 decks18 decks
10%synergy
Steam Vents
33%inclusion6 decks18 decks
10%synergy
Godless Shrine
33%inclusion6 decks18 decks
9%synergy
Ketria Triome
33%inclusion6 decks18 decks
9%synergy
Verdant Catacombs
33%inclusion6 decks18 decks
7%synergy
Raffine's Tower
28%inclusion5 decks18 decks
14%synergy
Raugrin Triome
28%inclusion5 decks18 decks
10%synergy
Jetmir's Garden
28%inclusion5 decks18 decks
7%synergy
Zagoth Triome
28%inclusion5 decks18 decks
6%synergy
Sacred Foundry
28%inclusion5 decks18 decks
5%synergy
Scalding Tarn
28%inclusion5 decks18 decks
4%synergy
Marsh Flats
28%inclusion5 decks18 decks
4%synergy
Xander's Lounge
22%inclusion4 decks18 decks
10%synergy
Seaside Citadel
22%inclusion4 decks18 decks
7%synergy
Terramorphic Expanse
22%inclusion4 decks18 decks
7%synergy
Savai Triome
22%inclusion4 decks18 decks
6%synergy
Ziatora's Proving Ground
22%inclusion4 decks18 decks
3%synergy
The World Tree
22%inclusion4 decks18 decks
-7%synergy
Floodfarm Verge
17%inclusion3 decks18 decks
15%synergy
Volcanic Island
17%inclusion3 decks18 decks
5%synergy
Underground Sea
17%inclusion3 decks18 decks
4%synergy
Tundra
17%inclusion3 decks18 decks
4%synergy
Savannah
17%inclusion3 decks18 decks
4%synergy
Bayou
17%inclusion3 decks18 decks
4%synergy
Tropical Island
17%inclusion3 decks18 decks
3%synergy
Sandsteppe Citadel
17%inclusion3 decks18 decks
1%synergy
Mana Confluence
17%inclusion3 decks18 decks
-2%synergy