Primo, the Unbounded (Commander) - Slime Against Humanity

Primo, the Unbounded
Rank #762
22decks
As CommanderAs CardAverage DeckDecksView Precon
Bracket
All12345
Budget
Any$$$$
Jeremy Rowe
May 22, 2026
Jeremy Rowe
Building a Fractal Typal Deck with Primo, the Unbounded
This Primo, the Unbounded deck tech turns Quandrix's weirdest creature type into a trampling, +1/+1 counter-fueled win condition.
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Cardsphere
Archidekt
Commander Spellbook
Moxfield
Scryfall
MTGStocks
New Cards
High Synergy Cards
Top Cards
Game Changers
Creatures
Instants
Sorceries
Utility Artifacts
Enchantments
Utility Lands
Mana Artifacts
Lands
Back to Top
Riddles in the Dark
7.1%inclusion1 decks14 decks
7%synergy
High Synergy Cards
Slime Against Humanity
100%inclusion22 decks22 decks
99%synergy
Terrasymbiosis
86%inclusion19 decks22 decks
79%synergy
The Earth Crystal
77%inclusion17 decks22 decks
71%synergy
Spellweaver Helix
68%inclusion15 decks22 decks
68%synergy
Emerald Medallion
64%inclusion14 decks22 decks
60%synergy
Branching Evolution
73%inclusion16 decks22 decks
60%synergy
Thrumming Stone
59%inclusion13 decks22 decks
59%synergy
The Ozolith
64%inclusion14 decks22 decks
57%synergy
Adrix and Nev, Twincasters
55%inclusion12 decks22 decks
46%synergy
Locket of Yesterdays
45%inclusion10 decks22 decks
45%synergy
Top Cards
Three Visits
59%inclusion13 decks22 decks
33%synergy
Nature's Lore
55%inclusion12 decks22 decks
22%synergy
Wave Goodbye
55%inclusion12 decks22 decks
43%synergy
Inspiring Call
55%inclusion12 decks22 decks
41%synergy
Rapid Hybridization
50%inclusion11 decks22 decks
23%synergy
Beast Within
50%inclusion11 decks22 decks
2%synergy
Doubling Season
50%inclusion11 decks22 decks
39%synergy
Hardened Scales
45%inclusion10 decks22 decks
28%synergy
Herald of Secret Streams
41%inclusion9 decks22 decks
27%synergy
Heroic Intervention
41%inclusion9 decks22 decks
11%synergy
Game Changers
Cyclonic Rift
23%inclusion5 decks22 decks
-0%synergy
Fierce Guardianship
14%inclusion3 decks22 decks
-2%synergy
Ancient Tomb
9.1%inclusion2 decks22 decks
1%synergy
Seedborn Muse
9.1%inclusion2 decks22 decks
-7%synergy
Rhystic Study
9.1%inclusion2 decks22 decks
-11%synergy
Force of Will
9.1%inclusion2 decks22 decks
0%synergy
Creatures
Archmage Emeritus
41%inclusion9 decks22 decks
39%synergy
Archmage of Runes
36%inclusion8 decks22 decks
35%synergy
Birds of Paradise
32%inclusion7 decks22 decks
4%synergy
Lier, Disciple of the Drowned
32%inclusion7 decks22 decks
31%synergy
Kami of Whispered Hopes
27%inclusion6 decks22 decks
18%synergy
Ray Fillet, Wave Warrior
27%inclusion6 decks22 decks
26%synergy
Kinetic Ooze
27%inclusion6 decks22 decks
18%synergy
Biowaste Blob
23%inclusion5 decks22 decks
21%synergy
Enduring Curiosity
23%inclusion5 decks22 decks
20%synergy
Curiosity Crafter
18%inclusion4 decks22 decks
15%synergy
Hydroid Krasis
18%inclusion4 decks22 decks
8%synergy
Kodama of the West Tree
18%inclusion4 decks22 decks
15%synergy
Tyranid Prime
14%inclusion3 decks22 decks
13%synergy
Goldvein Hydra
14%inclusion3 decks22 decks
9%synergy
Forgotten Ancient
14%inclusion3 decks22 decks
3%synergy
Deekah, Fractal Theorist
14%inclusion3 decks22 decks
11%synergy
Kalonian Hydra
14%inclusion3 decks22 decks
10%synergy
Ohran Frostfang
14%inclusion3 decks22 decks
10%synergy
Biogenic Ooze
14%inclusion3 decks22 decks
13%synergy
Elvish Mystic
9.1%inclusion2 decks22 decks
-14%synergy
Aberrant
9.1%inclusion2 decks22 decks
9%synergy
Llanowar Elves
9.1%inclusion2 decks22 decks
-19%synergy
Ingenious Prodigy
9.1%inclusion2 decks22 decks
6%synergy
Thunderclap Drake
9.1%inclusion2 decks22 decks
9%synergy
Danny Pink
9.1%inclusion2 decks22 decks
7%synergy
Toski, Bearer of Secrets
9.1%inclusion2 decks22 decks
6%synergy
Railway Brawler
9.1%inclusion2 decks22 decks
7%synergy
Duskshell Crawler
9.1%inclusion2 decks22 decks
6%synergy
Quina, Qu Gourmet
9.1%inclusion2 decks22 decks
8%synergy
Exhibition Tidecaller
9.1%inclusion2 decks22 decks
9%synergy
Instants
Counterspell
41%inclusion9 decks22 decks
-8%synergy
Pongify
32%inclusion7 decks22 decks
7%synergy
Mutational Advantage
32%inclusion7 decks22 decks
27%synergy
Arcane Denial
32%inclusion7 decks22 decks
10%synergy
Growth Spiral
23%inclusion5 decks22 decks
-22%synergy
Ripples of Potential
23%inclusion5 decks22 decks
13%synergy
An Offer You Can't Refuse
18%inclusion4 decks22 decks
-5%synergy
Mana Drain
18%inclusion4 decks22 decks
3%synergy
Perplexing Test
18%inclusion4 decks22 decks
13%synergy
Swan Song
18%inclusion4 decks22 decks
-1%synergy
Frantic Search
14%inclusion3 decks22 decks
7%synergy
Return of the Wildspeaker
14%inclusion3 decks22 decks
3%synergy
Decisive Denial
14%inclusion3 decks22 decks
7%synergy
Fact or Fiction
14%inclusion3 decks22 decks
11%synergy
Quandrix Charm
14%inclusion3 decks22 decks
5%synergy
Brainstorm
9.1%inclusion2 decks22 decks
-6%synergy
Force of Vigor
9.1%inclusion2 decks22 decks
5%synergy
Into the Flood Maw
9.1%inclusion2 decks22 decks
5%synergy
Quandrix Command
9.1%inclusion2 decks22 decks
3%synergy
Naturalize
9.1%inclusion2 decks22 decks
7%synergy
Sorceries
Cultivate
27%inclusion6 decks22 decks
-18%synergy
Stock Up
23%inclusion5 decks22 decks
21%synergy
Farseek
23%inclusion5 decks22 decks
-4%synergy
Rampant Growth
23%inclusion5 decks22 decks
-17%synergy
Rishkar's Expertise
23%inclusion5 decks22 decks
13%synergy
Kodama's Reach
18%inclusion4 decks22 decks
-16%synergy
Applied Geometry
18%inclusion4 decks22 decks
14%synergy
Germination Practicum
18%inclusion4 decks22 decks
13%synergy
Oversimplify
14%inclusion3 decks22 decks
9%synergy
Nanogene Conversion
14%inclusion3 decks22 decks
13%synergy
Ponder
9.1%inclusion2 decks22 decks
2%synergy
Harmonize
9.1%inclusion2 decks22 decks
4%synergy
Body of Research
9.1%inclusion2 decks22 decks
7%synergy
Utility Artifacts
Ozolith, the Shattered Spire
36%inclusion8 decks22 decks
28%synergy
Combine Chrysalis
32%inclusion7 decks22 decks
28%synergy
Semblance Anvil
32%inclusion7 decks22 decks
31%synergy
Cloud Key
27%inclusion6 decks22 decks
26%synergy
Primal Amulet
18%inclusion4 decks22 decks
18%synergy
River Song's Diary
14%inclusion3 decks22 decks
14%synergy
Fractal Harness
9.1%inclusion2 decks22 decks
7%synergy
The Great Henge
9.1%inclusion2 decks22 decks
-0%synergy
Idol of Oblivion
9.1%inclusion2 decks22 decks
6%synergy
Swiftfoot Boots
9.1%inclusion2 decks22 decks
-16%synergy
Lightning Greaves
9.1%inclusion2 decks22 decks
-11%synergy
Bident of Thassa
9.1%inclusion2 decks22 decks
2%synergy
Helm of Awakening
9.1%inclusion2 decks22 decks
9%synergy
Enchantments
Bred for the Hunt
36%inclusion8 decks22 decks
31%synergy
Garruk's Uprising
32%inclusion7 decks22 decks
14%synergy
Innkeeper's Talent
32%inclusion7 decks22 decks
26%synergy
Simic Ascendancy
27%inclusion6 decks22 decks
14%synergy
Tribute to the World Tree
27%inclusion6 decks22 decks
22%synergy
Sphere Grid
27%inclusion6 decks22 decks
23%synergy
Parallel Lives
23%inclusion5 decks22 decks
17%synergy
Primal Vigor
18%inclusion4 decks22 decks
15%synergy
Elemental Bond
18%inclusion4 decks22 decks
13%synergy
Greater Good
18%inclusion4 decks22 decks
16%synergy
High Score
18%inclusion4 decks22 decks
16%synergy
Utopia Sprawl
14%inclusion3 decks22 decks
7%synergy
Mystic Remora
14%inclusion3 decks22 decks
-0%synergy
Case of the Ransacked Lab
14%inclusion3 decks22 decks
13%synergy
Loading Zone
14%inclusion3 decks22 decks
11%synergy
Cryptolith Rite
9.1%inclusion2 decks22 decks
6%synergy
Inexorable Tide
9.1%inclusion2 decks22 decks
6%synergy
Curator's Ward
9.1%inclusion2 decks22 decks
9%synergy
Waterbender Ascension
9.1%inclusion2 decks22 decks
9%synergy
Utility Lands
Reliquary Tower
50%inclusion11 decks22 decks
-0%synergy
Yavimaya, Cradle of Growth
36%inclusion8 decks22 decks
16%synergy
Alchemist's Refuge
27%inclusion6 decks22 decks
8%synergy
Boseiju, Who Endures
27%inclusion6 decks22 decks
5%synergy
Three Tree City
27%inclusion6 decks22 decks
22%synergy
Rogue's Passage
27%inclusion6 decks22 decks
4%synergy
Karn's Bastion
23%inclusion5 decks22 decks
12%synergy
Oran-Rief, the Vastwood
23%inclusion5 decks22 decks
16%synergy
Otawara, Soaring City
18%inclusion4 decks22 decks
-0%synergy
Mistrise Village
14%inclusion3 decks22 decks
3%synergy
Mosswort Bridge
14%inclusion3 decks22 decks
-3%synergy
Evendo, Waking Haven
14%inclusion3 decks22 decks
8%synergy
Mystic Sanctuary
9.1%inclusion2 decks22 decks
-3%synergy
War Room
9.1%inclusion2 decks22 decks
8%synergy
Novijen, Heart of Progress
9.1%inclusion2 decks22 decks
5%synergy
Temple of the False God
9.1%inclusion2 decks22 decks
-7%synergy
Bonders' Enclave
9.1%inclusion2 decks22 decks
7%synergy
Ba Sing Se
9.1%inclusion2 decks22 decks
7%synergy
Mana Artifacts
Sol Ring
86%inclusion19 decks22 decks
6%synergy
Arcane Signet
50%inclusion11 decks22 decks
-13%synergy
Forger's Foundry
9.1%inclusion2 decks22 decks
9%synergy
Lands
Island
95%inclusion21 decks22 decks
-0%synergy
Forest
95%inclusion21 decks22 decks
-0%synergy
Command Tower
77%inclusion17 decks22 decks
-8%synergy
Hinterland Harbor
73%inclusion16 decks22 decks
11%synergy
Breeding Pool
68%inclusion15 decks22 decks
20%synergy
Rejuvenating Springs
64%inclusion14 decks22 decks
21%synergy
Dreamroot Cascade
55%inclusion12 decks22 decks
9%synergy
Sodden Verdure
55%inclusion12 decks22 decks
32%synergy
Turbulent Wilderness
55%inclusion12 decks22 decks
38%synergy
Yavimaya Coast
50%inclusion11 decks22 decks
-3%synergy
Willowrush Verge
50%inclusion11 decks22 decks
31%synergy
Flooded Grove
36%inclusion8 decks22 decks
-7%synergy
Misty Rainforest
27%inclusion6 decks22 decks
-4%synergy
Fabled Passage
27%inclusion6 decks22 decks
10%synergy
Exotic Orchard
27%inclusion6 decks22 decks
2%synergy
Barkchannel Pathway
27%inclusion6 decks22 decks
8%synergy
Simic Growth Chamber
23%inclusion5 decks22 decks
-23%synergy
Vineglimmer Snarl
18%inclusion4 decks22 decks
-22%synergy
Rain-Slicked Copse
18%inclusion4 decks22 decks
8%synergy
Overflowing Basin
14%inclusion3 decks22 decks
-8%synergy
Hedge Maze
14%inclusion3 decks22 decks
-6%synergy
Prismatic Vista
9.1%inclusion2 decks22 decks
2%synergy
Tangled Islet
9.1%inclusion2 decks22 decks
-7%synergy
Reflecting Pool
9.1%inclusion2 decks22 decks
6%synergy
Evolving Wilds
9.1%inclusion2 decks22 decks
-15%synergy
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