Kathril, Aspect Warper card art — Art by Mathias Kollros · © Wizards of the Coast

Symbiotic Swarm

Bracket 2

C20 — Commander 2020 · 2020-04-17

Commander: Kathril, Aspect Warper · Color identity: BGW

Bracket

Power Level

4.5/10

Tipping Point

Game Changers

Why this bracket?

No hard floors (no Game Changers, no two-card infinite combo, no mass land destruction) — verdict from optimization score 26/75 (11 interaction, 7 card draw, 1 fast-mana)
Engine accuracy: 77.1% exact and 99.5% within one bracket on 1,229 organizer-labeled tournament decklists (engine v389).

How it compares

Against the 5 Commander 2020 decks we analyzed, this is 4th strongest — power 4.5 versus a set average of 5.1. That is about average for the library (4.6 across 174 precons). Its Tipping Point lands on turn 4, the same as the library median.

More Commander 2020 decks

Arcane Maelstrom — Bracket 3, power 5.9
Timeless Wisdom — Bracket 3, power 5.6
Ruthless Regiment — Bracket 2, power 4.9
Enhanced Evolution — Bracket 2, power 4.5

Other Bracket 2 precons at a similar power

Blood Rites — Bracket 2, power 4.5
Feline Ferocity — Bracket 2, power 4.5
Revenant Recon — Bracket 2, power 4.5
Wretched Ranks — Bracket 2, power 4.5
Ahoy Mateys — Bracket 2, power 4.4

Upgrade this precon

6 staples this deck does not already run — all legal in Kathril, Aspect Warper's color identity, none over $20, and none of them a Game Changer, so none forces a Bracket 3 floor on its own. Adding cards can still move the bracket: paste the updated list back into the calculator to re-check.

Wayfarer's Bauble Ramp $5.61
Kodama's Reach Ramp $1.77
Nature's Lore Ramp $2.23
Rampant Growth Ramp $1.28
Three Visits Ramp $5.55
Swords to Plowshares Interaction $0.88

Add all 6 to TCGplayer cart — about $17.32

Affiliate links. If you buy through one we earn a small commission, at no extra cost to you and with no effect on the bracket we report. Prices are Scryfall's latest and will drift.

Analyze in calculator → ← Back to library MTGJSON source ↗

Decklist (100 cards)

1 Kathril, Aspect Warper
1 Ajani Unyielding
1 Tayam, Luminous Enigma
1 Nikara, Lair Scavenger
1 Yannik, Scavenging Sentinel
1 Avenging Huntbonder
1 Cartographer's Hawk
1 Vitality Hunter
1 Daring Fiendbonder
1 Slippery Bogbonder
1 Akroma, Angel of Wrath
1 Angel of Finality
1 Cataclysmic Gearhulk
1 Kalemne's Captain
1 Odric, Lunarch Marshal
1 Reveillark
1 Solemn Recruit
1 Sunblast Angel
1 Zetalpa, Primal Dawn
1 Cairn Wanderer
1 Soul of Innistrad
1 Soulflayer
1 Hornet Queen
1 Majestic Myriarch
1 Splinterfright
1 Archon of Valor's Reach
1 Karametra, God of Harvests
1 Void Beckoner
1 Titanoth Rex
1 Aerial Responder
1 Vampire Nighthawk
1 Acidic Slime
1 Sakura-Tribe Elder
1 Satyr Wayfinder
1 Skullwinder
1 Nyx Weaver
1 Selective Adaptation
1 Ever After
1 Duneblast
1 Unbreakable Bond
1 Unburial Rites
1 Cultivate
1 Harmonize
1 Obscuring Haze
1 Blood Curdle
1 Abzan Charm
1 Deathsprout
1 Despark
1 Grisly Salvage
1 Netherborn Altar
1 Mimic Vat
1 Bonder's Ornament
1 Arcane Signet
1 Commander's Sphere
1 Sol Ring
1 Swiftfoot Boots
1 Together Forever
1 Abzan Ascendancy
1 Deadbridge Chant
1 Martial Impetus
1 Parasitic Impetus
1 Predatory Impetus
1 Nesting Grounds
1 Canopy Vista
1 Caves of Koilos
1 Exotic Orchard
1 Gavony Township
1 Grim Backwoods
1 Sungrass Prairie
1 Blighted Woodland
1 Command Tower
1 Golgari Rot Farm
1 Krosan Verge
1 Memorial to Folly
1 Myriad Landscape
1 Orzhov Basilica
1 Sandsteppe Citadel
1 Selesnya Sanctuary
1 Blossoming Sands
1 Evolving Wilds
1 Jungle Hollow
1 Scoured Barrens
3 Plains
2 Plains
2 Plains
3 Swamp
2 Swamp
2 Swamp
2 Forest
1 Forest
1 Forest

Bracket assignment per WotC Commander Brackets Beta. Decklist sourced from MTGJSON (https://mtgjson.com/api/v5/decks/SymbioticSwarm_C20.json). Analyzed against https://scrollvault.net on 2026-10-09.