Bjorna, Nightfall Alchemist
Othelm, Sigardian Outcast
Intruder Alarm
Cathodion

   Prerequisites

What do I need to start this combo?
All permanents on the battlefield.
Bjorna and Othelm do not have summoning sickness.

   Steps

How does this combo work?
1
Activate Bjorna by tapping it and sacrificing Cathodion, targeting any creature.
2
Cathodion dies, adding .
3
Activate Othelm by paying 2 and tapping it, returning Cathodion from your graveyard to the battlefield.
4
Cathodion enters the battlefield, triggering Intruder Alarm, untapping all creatures.
5
Repeat an arbitrarily large number of times.
6
Resolve all Bjorna abilities, dealing infinite damage to any creature(s).

   Results

What do I get from this combo?
Infinite colorless mana
Infinite damage to creatures
Infinite death triggers
Infinite ETB
Infinite LTB
Infinite mana creatures you control can produce
Infinite sacrifice triggers
Infinite untap of creatures
Bjorna, Nightfall Alchemist // Othelm, Sigardian Outcast
18%inclusion60 decks335 decks
Cecily, Haunted Mage // Othelm, Sigardian Outcast
0.0%inclusion1 decks2.22K decks
New Cards
Flitterwing Nuisance
20%inclusion1 decks5 decks
19%synergy
Glen Elendra Guardian
20%inclusion1 decks5 decks
18%synergy
Rain-Slicked Copse
20%inclusion1 decks5 decks
17%synergy
High Synergy Cards
Solemn Simulacrum
87%inclusion53 decks61 decks
74%synergy
Scrap Trawler
74%inclusion45 decks61 decks
72%synergy
Thought Monitor
70%inclusion43 decks61 decks
67%synergy
Circuit Mender
67%inclusion41 decks61 decks
66%synergy
Oswald Fiddlebender
66%inclusion40 decks61 decks
64%synergy
Ashnod's Altar
69%inclusion42 decks61 decks
62%synergy
Myr Retriever
64%inclusion39 decks61 decks
62%synergy
Foundry Inspector
66%inclusion40 decks61 decks
61%synergy
Filigree Familiar
61%inclusion37 decks61 decks
60%synergy
Ioreth of the Healing House
61%inclusion37 decks61 decks
59%synergy
Top Cards
Emry, Lurker of the Loch
62%inclusion38 decks61 decks
58%synergy
Meteor Golem
61%inclusion37 decks61 decks
59%synergy
Haywire Mite
61%inclusion37 decks61 decks
57%synergy
Etherium Sculptor
61%inclusion37 decks61 decks
55%synergy
Corridor Monitor
59%inclusion36 decks61 decks
59%synergy
Myr Battlesphere
57%inclusion35 decks61 decks
56%synergy
Swords to Plowshares
57%inclusion35 decks61 decks
-4%synergy
Enthusiastic Mechanaut
56%inclusion34 decks61 decks
51%synergy
Combustible Gearhulk
54%inclusion33 decks61 decks
51%synergy
Phyrexian Triniform
48%inclusion29 decks61 decks
47%synergy
Game Changers
Seedborn Muse
30%inclusion18 decks61 decks
21%synergy
Enlightened Tutor
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14%synergy
Smothering Tithe
20%inclusion12 decks61 decks
-1%synergy
Aura Shards
15%inclusion9 decks61 decks
7%synergy
Rhystic Study
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-9%synergy
Fierce Guardianship
13%inclusion8 decks61 decks
-5%synergy
Worldly Tutor
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-1%synergy
Farewell
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-3%synergy
Jeska's Will
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-5%synergy
Teferi's Protection
8.2%inclusion5 decks61 decks
-8%synergy
Creatures
Reckless Fireweaver
48%inclusion29 decks61 decks
43%synergy
Wurmcoil Engine
46%inclusion28 decks61 decks
44%synergy
Ornithopter of Paradise
46%inclusion28 decks61 decks
41%synergy
Treasure Keeper
44%inclusion27 decks61 decks
44%synergy
Junk Diver
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43%synergy
Angel of the Ruins
43%inclusion26 decks61 decks
40%synergy
Triplicate Titan
38%inclusion23 decks61 decks
37%synergy
Teshar, Ancestor's Apostle
31%inclusion19 decks61 decks
29%synergy
Goblin Engineer
31%inclusion19 decks61 decks
28%synergy
Sai, Master Thopterist
31%inclusion19 decks61 decks
28%synergy
Canoptek Tomb Sentinel
30%inclusion18 decks61 decks
29%synergy
Birds of Paradise
30%inclusion18 decks61 decks
2%synergy
Workshop Assistant
28%inclusion17 decks61 decks
27%synergy
Kiora's Follower
28%inclusion17 decks61 decks
23%synergy
Bloom Tender
28%inclusion17 decks61 decks
20%synergy
Kappa Cannoneer
26%inclusion16 decks61 decks
23%synergy
Faeburrow Elder
26%inclusion16 decks61 decks
15%synergy
Esper Sentinel
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7%synergy
Drumbellower
23%inclusion14 decks61 decks
21%synergy
Su-Chi Cave Guard
21%inclusion13 decks61 decks
21%synergy
Breya's Apprentice
21%inclusion13 decks61 decks
21%synergy
Syr Ginger, the Meal Ender
21%inclusion13 decks61 decks
21%synergy
Losheel, Clockwork Scholar
21%inclusion13 decks61 decks
19%synergy
Phyrexian Metamorph
21%inclusion13 decks61 decks
14%synergy
Tannuk, Steadfast Second
20%inclusion4 decks20 decks
19%synergy
Meria, Scholar of Antiquity
20%inclusion12 decks61 decks
19%synergy
Canoptek Spyder
20%inclusion12 decks61 decks
19%synergy
Goblin Welder
20%inclusion12 decks61 decks
18%synergy
Burnished Hart
20%inclusion12 decks61 decks
17%synergy
Scrap Welder
18%inclusion11 decks61 decks
18%synergy
Unctus, Grand Metatect
18%inclusion11 decks61 decks
17%synergy
Riptide Gearhulk
17%inclusion6 decks36 decks
14%synergy
Duplicant
16%inclusion10 decks61 decks
16%synergy
Threefold Thunderhulk
16%inclusion10 decks61 decks
15%synergy
Lonis, Cryptozoologist
16%inclusion10 decks61 decks
15%synergy
Bronze Guardian
16%inclusion10 decks61 decks
15%synergy
Market Gnome
15%inclusion9 decks61 decks
14%synergy
Alibou, Ancient Witness
15%inclusion9 decks61 decks
12%synergy
Marvin, Murderous Mimic
14%inclusion6 decks44 decks
12%synergy
Agatha of the Vile Cauldron
13%inclusion8 decks61 decks
12%synergy
Master Transmuter
13%inclusion8 decks61 decks
12%synergy
Jhoira, Weatherlight Captain
13%inclusion8 decks61 decks
7%synergy
Noble Hierarch
13%inclusion8 decks61 decks
-3%synergy
Molten Gatekeeper
12%inclusion6 decks51 decks
9%synergy
Pyrewood Gearhulk
11%inclusion4 decks36 decks
10%synergy
Clone Shell
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10%synergy
Gleaming Geardrake
10%inclusion6 decks61 decks
9%synergy
Arcbound Shikari
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9%synergy
Palladium Myr
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8%synergy
Cyberdrive Awakener
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7%synergy
Instants
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0%synergy
Counterspell
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-7%synergy
Dispatch
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25%synergy
Generous Gift
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9%synergy
Heroic Intervention
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1%synergy
Beast Within
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-3%synergy
An Offer You Can't Refuse
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-3%synergy
Chaos Warp
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-13%synergy
Swan Song
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-3%synergy
Dovin's Veto
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-4%synergy
Negate
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-6%synergy
Mana Drain
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-3%synergy
Cyclonic Rift
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-11%synergy
Dramatic Reversal
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5%synergy
Stroke of Midnight
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-1%synergy
Arcane Denial
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-10%synergy
Deflecting Swat
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-9%synergy
Thirst for Knowledge
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Whir of Invention
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4%synergy
Eladamri's Call
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-2%synergy
Flawless Maneuver
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-4%synergy
Boros Charm
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-16%synergy
Sorceries
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-3%synergy
Wake the Past
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26%synergy
Blasphemous Act
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Organic Extinction
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27%synergy
Thoughtcast
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21%synergy
Kodama's Reach
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-6%synergy
Rampant Growth
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-13%synergy
Supreme Verdict
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Nature's Lore
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Idyllic Tutor
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Dance of the Manse
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Sevinne's Reclamation
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Neoform
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8%synergy
Austere Command
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Three Visits
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-14%synergy
Faithless Looting
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-8%synergy
Trash for Treasure
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6%synergy
Finale of Devastation
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-1%synergy
Utility Artifacts
Ichor Wellspring
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38%synergy
Thousand-Year Elixir
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31%synergy
Thopter Shop
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27%synergy
Birthing Pod
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23%synergy
Lightning Greaves
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Encroaching Mycosynth
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20%synergy
Krark-Clan Ironworks
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20%synergy
Panharmonicon
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16%synergy
Repurposing Bay
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18%synergy
Basilisk Collar
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14%synergy
Thornbite Staff
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16%synergy
Unwinding Clock
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14%synergy
Cryogen Relic
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Trading Post
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Swiftfoot Boots
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Mycosynth Wellspring
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Magewright's Stone
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11%synergy
Skullclamp
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-1%synergy
Simulacrum Synthesizer
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7%synergy
Lux Artillery
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6%synergy
Blasting Station
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6%synergy
The Enigma Jewel
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6%synergy
Sculpting Steel
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4%synergy
Phyrexian Altar
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3%synergy
Esoteric Duplicator
5.3%inclusion3 decks57 decks
5%synergy
Enchantments
Impact Tremors
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28%synergy
Weapons Manufacturing
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22%synergy
Thopter Spy Network
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18%synergy
Goblin Bombardment
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14%synergy
Mirrodin Besieged
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13%synergy
Training Grounds
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12%synergy
Guardian Project
11%inclusion7 decks61 decks
3%synergy
Ulvenwald Mysteries
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9%synergy
Mystic Remora
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-6%synergy
Virtue of Knowledge
8.2%inclusion5 decks61 decks
6%synergy
Sylvan Library
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-1%synergy
Freed from the Real
6.6%inclusion4 decks61 decks
5%synergy
Sneak Attack
6.6%inclusion4 decks61 decks
4%synergy
Sterling Grove
6.6%inclusion4 decks61 decks
0%synergy
Planeswalkers
Daretti, Scrap Savant
36%inclusion22 decks61 decks
34%synergy
Teferi, Who Slows the Sunset
6.6%inclusion4 decks61 decks
5%synergy
Utility Lands
Seat of the Synod
39%inclusion24 decks61 decks
33%synergy
Ancient Den
38%inclusion23 decks61 decks
32%synergy
Tree of Tales
34%inclusion21 decks61 decks
32%synergy
Great Furnace
33%inclusion20 decks61 decks
27%synergy
Inventors' Fair
21%inclusion13 decks61 decks
18%synergy
Academy Ruins
21%inclusion13 decks61 decks
16%synergy
Darksteel Citadel
20%inclusion12 decks61 decks
16%synergy
Buried Ruin
20%inclusion12 decks61 decks
15%synergy
Urza's Saga
15%inclusion9 decks61 decks
8%synergy
Uthros, Titanic Godcore
14%inclusion3 decks21 decks
11%synergy
Reliquary Tower
11%inclusion7 decks61 decks
-18%synergy
Boseiju, Who Endures
8.2%inclusion5 decks61 decks
-11%synergy
Treasure Vault
6.6%inclusion4 decks61 decks
4%synergy
Otawara, Soaring City
6.6%inclusion4 decks61 decks
-10%synergy
Mana Artifacts
Sol Ring
89%inclusion54 decks61 decks
5%synergy
Arcane Signet
84%inclusion51 decks61 decks
11%synergy
Fellwar Stone
44%inclusion27 decks61 decks
24%synergy
Chromatic Lantern
39%inclusion24 decks61 decks
31%synergy
Liquimetal Torque
28%inclusion17 decks61 decks
25%synergy
Talisman of Progress
18%inclusion11 decks61 decks
-7%synergy
Talisman of Unity
15%inclusion9 decks61 decks
7%synergy
Commander's Sphere
15%inclusion9 decks61 decks
3%synergy
Talisman of Curiosity
13%inclusion8 decks61 decks
0%synergy
Izzet Signet
13%inclusion8 decks61 decks
-11%synergy
Talisman of Conviction
13%inclusion8 decks61 decks
-11%synergy
Talisman of Creativity
13%inclusion8 decks61 decks
-15%synergy
Talisman of Impulse
11%inclusion7 decks61 decks
1%synergy
Azorius Signet
11%inclusion7 decks61 decks
-10%synergy
Simic Signet
10%inclusion6 decks61 decks
-1%synergy
Boros Signet
10%inclusion6 decks61 decks
-9%synergy
Patriar's Seal
8.2%inclusion5 decks61 decks
7%synergy
Mox Opal
8.2%inclusion5 decks61 decks
4%synergy
Mox Amber
8.2%inclusion5 decks61 decks
4%synergy
Selesnya Signet
8.2%inclusion5 decks61 decks
1%synergy
Gruul Signet
8.2%inclusion5 decks61 decks
-1%synergy
Slagstone Refinery
6.6%inclusion4 decks61 decks
6%synergy
Basalt Monolith
6.6%inclusion4 decks61 decks
4%synergy
Lands
Command Tower
95%inclusion58 decks61 decks
21%synergy
Exotic Orchard
70%inclusion43 decks61 decks
34%synergy
Spire of Industry
39%inclusion24 decks61 decks
36%synergy
Raugrin Triome
38%inclusion23 decks61 decks
14%synergy
Spara's Headquarters
38%inclusion23 decks61 decks
10%synergy
Jetmir's Garden
38%inclusion23 decks61 decks
9%synergy
Ketria Triome
38%inclusion23 decks61 decks
7%synergy
Silverbluff Bridge
36%inclusion22 decks61 decks
30%synergy
Razortide Bridge
36%inclusion22 decks61 decks
29%synergy
Tanglepool Bridge
31%inclusion19 decks61 decks
29%synergy
Sacred Foundry
31%inclusion19 decks61 decks
-6%synergy
Steam Vents
31%inclusion19 decks61 decks
-7%synergy
Breeding Pool
31%inclusion19 decks61 decks
-11%synergy
Slagwoods Bridge
30%inclusion18 decks61 decks
27%synergy
Rustvale Bridge
30%inclusion18 decks61 decks
24%synergy
Wooded Foothills
30%inclusion18 decks61 decks
19%synergy
Temple Garden
30%inclusion18 decks61 decks
-10%synergy
Stomping Ground
30%inclusion18 decks61 decks
-12%synergy
Arid Mesa
28%inclusion17 decks61 decks
18%synergy
Misty Rainforest
28%inclusion17 decks61 decks
16%synergy
Mystic Monastery
28%inclusion17 decks61 decks
-1%synergy
Hallowed Fountain
28%inclusion17 decks61 decks
-12%synergy
Scalding Tarn
26%inclusion16 decks61 decks
15%synergy
Flooded Strand
26%inclusion16 decks61 decks
15%synergy
Jungle Shrine
26%inclusion16 decks61 decks
-5%synergy
Windswept Heath
25%inclusion15 decks61 decks
14%synergy
Battlefield Forge
25%inclusion15 decks61 decks
-4%synergy
Shivan Reef
25%inclusion15 decks61 decks
-5%synergy
Rejuvenating Springs
23%inclusion14 decks61 decks
-3%synergy
Seaside Citadel
23%inclusion14 decks61 decks
-4%synergy
Yavimaya Coast
23%inclusion14 decks61 decks
-4%synergy
Frontier Bivouac
23%inclusion14 decks61 decks
-6%synergy
Thornglint Bridge
21%inclusion13 decks61 decks
20%synergy
Path of Ancestry
21%inclusion13 decks61 decks
-1%synergy
Bountiful Promenade
20%inclusion12 decks61 decks
-2%synergy
Training Center
20%inclusion12 decks61 decks
-5%synergy
Adarkar Wastes
18%inclusion11 decks61 decks
-6%synergy
Sea of Clouds
18%inclusion11 decks61 decks
-6%synergy
Evolving Wilds
16%inclusion10 decks61 decks
-4%synergy
Spectator Seating
16%inclusion10 decks61 decks
-6%synergy
City of Brass
15%inclusion9 decks61 decks
7%synergy
Terramorphic Expanse
15%inclusion9 decks61 decks
0%synergy
Karplusan Forest
15%inclusion9 decks61 decks
-5%synergy
Spire Garden
15%inclusion9 decks61 decks
-7%synergy
Plateau
13%inclusion8 decks61 decks
1%synergy
Brushland
13%inclusion8 decks61 decks
-6%synergy
Cinder Glade
13%inclusion8 decks61 decks
-25%synergy
Sheltering Landscape
12%inclusion6 decks51 decks
5%synergy
Bountiful Landscape
12%inclusion6 decks51 decks
2%synergy
Mana Confluence
11%inclusion7 decks61 decks
4%synergy