Xyris, the Writhing Storm (Commander) - Polymorph

Background image for Fire and Ice: Which Cards are Hot and Cold for Xyris, the Writhing Storm?
Julia Maddalena
Mar 13, 2026
Fire and Ice: Which Cards are Hot and Cold for Xyris, the Writhing Storm?
Snakes. Why'd it have to be Snakes? On this week's Fire and Ice, we'll answer that question with the powerhouse Xyris, the Writhing Storm.
Deck Filters
Cardsphere
Archidekt
Commander Spellbook
Moxfield
Scryfall
MTGStocks
Divergent Transformations
93%inclusion38 decks41 decks
92%synergy
Reality Scramble
90%inclusion37 decks41 decks
90%synergy
Transmogrify
80%inclusion33 decks41 decks
80%synergy
Polymorph
78%inclusion32 decks41 decks
78%synergy
Chaos Mutation
76%inclusion31 decks41 decks
75%synergy
Mass Polymorph
73%inclusion30 decks41 decks
73%synergy
Proteus Staff
73%inclusion30 decks41 decks
73%synergy
Windfall
80%inclusion33 decks41 decks
71%synergy
Synthetic Destiny
66%inclusion27 decks41 decks
66%synergy
Indomitable Creativity
56%inclusion23 decks41 decks
56%synergy
Top Cards
Farseek
68%inclusion28 decks41 decks
21%synergy
Nature's Lore
68%inclusion28 decks41 decks
34%synergy
Rampant Growth
66%inclusion27 decks41 decks
32%synergy
Lukka, Coppercoat Outcast
56%inclusion23 decks41 decks
56%synergy
Cultivate
56%inclusion23 decks41 decks
14%synergy
Arcane Denial
56%inclusion23 decks41 decks
40%synergy
Lightning Greaves
51%inclusion21 decks41 decks
26%synergy
Chaos Warp
49%inclusion20 decks41 decks
17%synergy
Skullclamp
49%inclusion20 decks41 decks
45%synergy
Artifact Mutation
46%inclusion19 decks41 decks
45%synergy
Game Changers
Mystical Tutor
32%inclusion13 decks41 decks
20%synergy
Consecrated Sphinx
29%inclusion12 decks41 decks
25%synergy
Ancient Tomb
24%inclusion10 decks41 decks
13%synergy
Cyclonic Rift
22%inclusion9 decks41 decks
1%synergy
Jeska's Will
20%inclusion8 decks41 decks
2%synergy
Fierce Guardianship
20%inclusion8 decks41 decks
1%synergy
Rhystic Study
15%inclusion6 decks41 decks
-4%synergy
Gamble
15%inclusion6 decks41 decks
7%synergy
Worldly Tutor
15%inclusion6 decks41 decks
0%synergy
Natural Order
10%inclusion4 decks41 decks
9%synergy
Creatures
Koma, Cosmos Serpent
39%inclusion16 decks41 decks
37%synergy
The Locust God
37%inclusion15 decks41 decks
34%synergy
Etali, Primal Conqueror
34%inclusion14 decks41 decks
25%synergy
Ovika, Enigma Goliath
34%inclusion14 decks41 decks
33%synergy
Starwinder
33%inclusion1 decks3 decks
31%synergy
Avenger of Zendikar
32%inclusion13 decks41 decks
26%synergy
Etali, Primal Storm
29%inclusion12 decks41 decks
19%synergy
Terastodon
29%inclusion12 decks41 decks
28%synergy
Purphoros, God of the Forge
29%inclusion12 decks41 decks
25%synergy
Fireflux Squad
29%inclusion12 decks41 decks
29%synergy
Worldspine Wurm
27%inclusion11 decks41 decks
26%synergy
Kamahl, Heart of Krosa
27%inclusion11 decks41 decks
27%synergy
Terror of the Peaks
27%inclusion11 decks41 decks
13%synergy
Junk Winder
24%inclusion10 decks41 decks
21%synergy
Impervious Greatwurm
24%inclusion10 decks41 decks
24%synergy
Esix, Fractal Bloom
24%inclusion10 decks41 decks
23%synergy
Hullbreaker Horror
24%inclusion10 decks41 decks
16%synergy
Niv-Mizzet, Parun
22%inclusion9 decks41 decks
17%synergy
Jin-Gitaxias, Core Augur
22%inclusion9 decks41 decks
21%synergy
Ureni, the Song Unending
20%inclusion1 decks5 decks
12%synergy
Hornet Queen
20%inclusion8 decks41 decks
19%synergy
Urabrask the Hidden
20%inclusion8 decks41 decks
18%synergy
Blightsteel Colossus
20%inclusion8 decks41 decks
18%synergy
Jalira, Master Polymorphist
17%inclusion7 decks41 decks
17%synergy
Kozilek, Butcher of Truth
17%inclusion7 decks41 decks
14%synergy
Graaz, Unstoppable Juggernaut
17%inclusion7 decks41 decks
17%synergy
Enduring Vitality
17%inclusion3 decks18 decks
9%synergy
Enduring Courage
17%inclusion3 decks18 decks
15%synergy
Tidespout Tyrant
15%inclusion6 decks41 decks
14%synergy
Craterhoof Behemoth
15%inclusion6 decks41 decks
10%synergy
Astral Dragon
15%inclusion6 decks41 decks
9%synergy
Zopandrel, Hunger Dominus
15%inclusion6 decks41 decks
13%synergy
Nezahal, Primal Tide
15%inclusion6 decks41 decks
11%synergy
Dragon Mage
15%inclusion6 decks41 decks
13%synergy
Diluvian Primordial
15%inclusion6 decks41 decks
14%synergy
Scrawling Crawler
13%inclusion2 decks16 decks
10%synergy
End-Raze Forerunners
12%inclusion5 decks41 decks
11%synergy
Vigor
12%inclusion5 decks41 decks
11%synergy
Kogla, the Titan Ape
12%inclusion5 decks41 decks
10%synergy
It That Betrays
12%inclusion5 decks41 decks
11%synergy
Ulamog, the Infinite Gyre
12%inclusion5 decks41 decks
10%synergy
Dawnglade Regent
12%inclusion5 decks41 decks
12%synergy
Kodama of the East Tree
12%inclusion5 decks41 decks
10%synergy
Vorinclex, Voice of Hunger
12%inclusion5 decks41 decks
11%synergy
Psychosis Crawler
10%inclusion4 decks41 decks
7%synergy
Pathrazer of Ulamog
10%inclusion4 decks41 decks
9%synergy
Titan of Industry
10%inclusion4 decks41 decks
9%synergy
Old Gnawbone
10%inclusion4 decks41 decks
0%synergy
Jin-Gitaxias, Progress Tyrant
10%inclusion4 decks41 decks
9%synergy
Apex Altisaur
10%inclusion4 decks41 decks
8%synergy
Instants
Heroic Intervention
44%inclusion18 decks41 decks
17%synergy
Beast Within
44%inclusion18 decks41 decks
6%synergy
Counterspell
41%inclusion17 decks41 decks
10%synergy
Valakut Awakening
37%inclusion15 decks41 decks
34%synergy
Growth Spiral
34%inclusion14 decks41 decks
9%synergy
Harrow
34%inclusion14 decks41 decks
23%synergy
An Offer You Can't Refuse
29%inclusion12 decks41 decks
10%synergy
Negate
29%inclusion12 decks41 decks
14%synergy
Brainstorm
27%inclusion11 decks41 decks
12%synergy
Mystic Reflection
27%inclusion11 decks41 decks
26%synergy
Rapid Hybridization
24%inclusion10 decks41 decks
12%synergy
Vision Skeins
24%inclusion10 decks41 decks
23%synergy
Tyvar's Stand
22%inclusion9 decks41 decks
17%synergy
Lazotep Plating
22%inclusion9 decks41 decks
21%synergy
Pongify
20%inclusion8 decks41 decks
8%synergy
Overprotect
19%inclusion5 decks26 decks
16%synergy
Long River's Pull
19%inclusion5 decks26 decks
18%synergy
Nature's Claim
17%inclusion7 decks41 decks
10%synergy
Guff Rewrites History
17%inclusion7 decks41 decks
17%synergy
Swan Song
17%inclusion7 decks41 decks
3%synergy
Sink into Stupor
15%inclusion5 decks33 decks
8%synergy
Collective Resistance
15%inclusion5 decks33 decks
11%synergy
Mana Drain
15%inclusion6 decks41 decks
2%synergy
Wheel and Deal
15%inclusion6 decks41 decks
13%synergy
Words of Wisdom
15%inclusion6 decks41 decks
14%synergy
Go Forth
13%inclusion2 decks16 decks
12%synergy
Gaea's Gift
12%inclusion5 decks41 decks
8%synergy
Reality Shift
12%inclusion5 decks41 decks
-1%synergy
Reweave
12%inclusion5 decks41 decks
12%synergy
Deflecting Swat
12%inclusion5 decks41 decks
-6%synergy
Fire Prophecy
12%inclusion5 decks41 decks
12%synergy
Planar Genesis
12%inclusion4 decks33 decks
6%synergy
Veil of Summer
10%inclusion4 decks41 decks
3%synergy
Blessed Respite
10%inclusion4 decks41 decks
9%synergy
Force of Will
10%inclusion4 decks41 decks
2%synergy
Noxious Revival
10%inclusion4 decks41 decks
-1%synergy
Into the Flood Maw
7.7%inclusion2 decks26 decks
5%synergy
Fog
7.3%inclusion3 decks41 decks
6%synergy
Biomass Mutation
7.3%inclusion3 decks41 decks
6%synergy
Desperate Ritual
7.3%inclusion3 decks41 decks
5%synergy
Giant Growth
7.3%inclusion3 decks41 decks
5%synergy
Verdant Command
7.3%inclusion3 decks41 decks
6%synergy
Blossoming Defense
7.3%inclusion3 decks41 decks
5%synergy
Aetherize
7.3%inclusion3 decks41 decks
3%synergy
Slip Out the Back
7.3%inclusion3 decks41 decks
3%synergy
Invigorate
7.3%inclusion3 decks41 decks
5%synergy
Get a Leg Up
7.3%inclusion3 decks41 decks
6%synergy
Force of Negation
7.3%inclusion3 decks41 decks
1%synergy
Tamiyo's Safekeeping
7.3%inclusion3 decks41 decks
1%synergy
Simic Charm
7.3%inclusion3 decks41 decks
3%synergy
Sorceries
Three Visits
44%inclusion18 decks41 decks
17%synergy
Blasphemous Act
44%inclusion18 decks41 decks
10%synergy
Kodama's Reach
39%inclusion16 decks41 decks
7%synergy
Chaotic Transformation
37%inclusion15 decks41 decks
36%synergy
Winds of Change
37%inclusion15 decks41 decks
34%synergy
Growth Spasm
29%inclusion12 decks41 decks
29%synergy
Molten Psyche
29%inclusion12 decks41 decks
27%synergy
Burning Inquiry
29%inclusion12 decks41 decks
28%synergy
Echo of Eons
27%inclusion11 decks41 decks
25%synergy
Selvala's Stampede
27%inclusion11 decks41 decks
22%synergy
Wheel of Misfortune
24%inclusion10 decks41 decks
23%synergy
Commit // Memory
20%inclusion8 decks41 decks
19%synergy
Minds Aglow
20%inclusion8 decks41 decks
18%synergy
Skyshroud Claim
17%inclusion7 decks41 decks
8%synergy
See Beyond
17%inclusion7 decks41 decks
17%synergy
Day's Undoing
17%inclusion7 decks41 decks
17%synergy
Bala Ged Recovery
17%inclusion7 decks41 decks
10%synergy
Solve the Equation
17%inclusion7 decks41 decks
14%synergy
Pest Infestation
15%inclusion6 decks41 decks
13%synergy
Vandalblast
15%inclusion6 decks41 decks
7%synergy
Search for Tomorrow
15%inclusion6 decks41 decks
11%synergy
Ponder
12%inclusion5 decks41 decks
3%synergy
Personal Tutor
12%inclusion5 decks41 decks
11%synergy
Wheel of Fortune
12%inclusion5 decks41 decks
8%synergy
Open the Way
12%inclusion5 decks41 decks
8%synergy
Reforge the Soul
12%inclusion5 decks41 decks
10%synergy
Dream Cache
10%inclusion4 decks41 decks
10%synergy
Time Reversal
10%inclusion4 decks41 decks
8%synergy
Explore
10%inclusion4 decks41 decks
-5%synergy
Game Plan
7.3%inclusion3 decks41 decks
7%synergy
Genesis Ultimatum
7.3%inclusion3 decks41 decks
0%synergy
Collision of Realms
7.3%inclusion3 decks41 decks
7%synergy
Fabricate
7.3%inclusion3 decks41 decks
5%synergy
Warp World
7.3%inclusion3 decks41 decks
7%synergy
Return from the Wilds
7.3%inclusion3 decks41 decks
6%synergy
Preordain
7.3%inclusion3 decks41 decks
1%synergy
Time Spiral
7.3%inclusion3 decks41 decks
7%synergy
Dragon Fodder
7.3%inclusion3 decks41 decks
7%synergy
Migration Path
7.3%inclusion3 decks41 decks
1%synergy
Rite of Replication
7.3%inclusion3 decks41 decks
5%synergy
Preposterous Proportions
6.3%inclusion1 decks16 decks
6%synergy
Bridgeworks Battle
6.1%inclusion2 decks33 decks
3%synergy
Sundering Eruption
6.1%inclusion2 decks33 decks
4%synergy
Stump Stomp
6.1%inclusion2 decks33 decks
1%synergy
Utility Artifacts
Swiftfoot Boots
44%inclusion18 decks41 decks
19%synergy
Teferi's Puzzle Box
34%inclusion14 decks41 decks
32%synergy
The Fire Crystal
25%inclusion1 decks4 decks
23%synergy
Dragonfire Blade
20%inclusion1 decks5 decks
18%synergy
Howling Mine
20%inclusion8 decks41 decks
16%synergy
Scroll Rack
15%inclusion6 decks41 decks
13%synergy
Phyrexian Altar
12%inclusion5 decks41 decks
11%synergy
Elixir of Immortality
7.3%inclusion3 decks41 decks
6%synergy
Ashnod's Altar
7.3%inclusion3 decks41 decks
6%synergy
Enchantments
Shared Animosity
34%inclusion14 decks41 decks
31%synergy
Temur Ascendancy
34%inclusion14 decks41 decks
6%synergy
Impact Tremors
32%inclusion13 decks41 decks
25%synergy
Cryptolith Rite
29%inclusion12 decks41 decks
24%synergy
Awakening Zone
29%inclusion12 decks41 decks
29%synergy
Frostcliff Siege
20%inclusion1 decks5 decks
10%synergy
Beastmaster Ascension
20%inclusion8 decks41 decks
17%synergy
Wild Growth
20%inclusion8 decks41 decks
9%synergy
Rhythm of the Wild
20%inclusion8 decks41 decks
-1%synergy
Goblin Bombardment
20%inclusion8 decks41 decks
16%synergy
Utopia Sprawl
17%inclusion7 decks41 decks
10%synergy
Rising of the Day
17%inclusion7 decks41 decks
15%synergy
Fires of Yavimaya
17%inclusion7 decks41 decks
15%synergy
Garruk's Uprising
15%inclusion6 decks41 decks
-12%synergy
Rites of Flourishing
12%inclusion5 decks41 decks
9%synergy
Mystic Remora
12%inclusion5 decks41 decks
0%synergy
Exploration
10%inclusion4 decks41 decks
0%synergy
Shifting Shadow
10%inclusion4 decks41 decks
10%synergy
Leyline of Anticipation
10%inclusion4 decks41 decks
8%synergy
Dictate of Kruphix
10%inclusion4 decks41 decks
7%synergy
Underworld Breach
7.3%inclusion3 decks41 decks
-1%synergy
Wizard Class
7.3%inclusion3 decks41 decks
6%synergy
Forced Fruition
7.3%inclusion3 decks41 decks
5%synergy
On the Trail
7.3%inclusion3 decks41 decks
7%synergy
Clout of the Dominus
7.3%inclusion3 decks41 decks
7%synergy
Fevered Visions
7.3%inclusion3 decks41 decks
6%synergy
Burgeoning
7.3%inclusion3 decks41 decks
4%synergy
Sylvan Library
7.3%inclusion3 decks41 decks
0%synergy
Court of Bounty
7.3%inclusion3 decks41 decks
7%synergy
Growing Rites of Itlimoc
7.3%inclusion3 decks41 decks
3%synergy
The Rollercrusher Ride
5.6%inclusion1 decks18 decks
5%synergy
Battles
Invasion of Segovia
7.3%inclusion3 decks41 decks
7%synergy
Planeswalkers
Xenagos, the Reveler
22%inclusion9 decks41 decks
21%synergy
Saheeli, Sublime Artificer
10%inclusion4 decks41 decks
7%synergy
Oko, Thief of Crowns
7.3%inclusion3 decks41 decks
5%synergy
Utility Lands
Reliquary Tower
41%inclusion17 decks41 decks
11%synergy
Kher Keep
32%inclusion13 decks41 decks
31%synergy
Geier Reach Sanitarium
32%inclusion13 decks41 decks
29%synergy
Mikokoro, Center of the Sea
32%inclusion13 decks41 decks
29%synergy
Boseiju, Who Endures
27%inclusion11 decks41 decks
6%synergy
Khalni Garden
22%inclusion9 decks41 decks
22%synergy
Sokenzan, Crucible of Defiance
17%inclusion7 decks41 decks
16%synergy
Yavimaya, Cradle of Growth
15%inclusion6 decks41 decks
-1%synergy
Kessig Wolf Run
15%inclusion6 decks41 decks
0%synergy
Otawara, Soaring City
15%inclusion6 decks41 decks
-2%synergy
Three Tree City
11%inclusion3 decks27 decks
7%synergy
Mosswort Bridge
10%inclusion4 decks41 decks
-4%synergy
Arena of Glory
9.1%inclusion3 decks33 decks
5%synergy
Command Beacon
7.3%inclusion3 decks41 decks
4%synergy
Field of the Dead
7.3%inclusion3 decks41 decks
4%synergy
Cephalid Coliseum
7.3%inclusion3 decks41 decks
6%synergy
Rogue's Passage
7.3%inclusion3 decks41 decks
-8%synergy
Mana Artifacts
Sol Ring
90%inclusion37 decks41 decks
8%synergy
Arcane Signet
83%inclusion34 decks41 decks
11%synergy
Fellwar Stone
34%inclusion14 decks41 decks
17%synergy
Thought Vessel
34%inclusion14 decks41 decks
24%synergy
Talisman of Curiosity
27%inclusion11 decks41 decks
11%synergy
Talisman of Impulse
24%inclusion10 decks41 decks
10%synergy
Talisman of Creativity
22%inclusion9 decks41 decks
6%synergy
Izzet Signet
22%inclusion9 decks41 decks
12%synergy
Simic Signet
22%inclusion9 decks41 decks
11%synergy
Gruul Signet
22%inclusion9 decks41 decks
13%synergy
Midnight Clock
17%inclusion7 decks41 decks
15%synergy
Jeweled Lotus
12%inclusion5 decks41 decks
11%synergy
Decanter of Endless Water
12%inclusion5 decks41 decks
9%synergy
Chromatic Lantern
7.3%inclusion3 decks41 decks
-3%synergy
Chrome Mox
7.3%inclusion3 decks41 decks
-1%synergy
Lands
Mountain
100%inclusion41 decks41 decks
8%synergy
Island
100%inclusion41 decks41 decks
6%synergy
Forest
100%inclusion41 decks41 decks
5%synergy
Command Tower
98%inclusion40 decks41 decks
6%synergy
Exotic Orchard
78%inclusion32 decks41 decks
22%synergy
Cinder Glade
59%inclusion24 decks41 decks
18%synergy
Breeding Pool
56%inclusion23 decks41 decks
8%synergy
Frontier Bivouac
54%inclusion22 decks41 decks
3%synergy
Hinterland Harbor
54%inclusion22 decks41 decks
11%synergy
Shivan Reef
51%inclusion21 decks41 decks
19%synergy
Stomping Ground
49%inclusion20 decks41 decks
2%synergy
Steam Vents
46%inclusion19 decks41 decks
2%synergy
Yavimaya Coast
46%inclusion19 decks41 decks
12%synergy
Sulfur Falls
46%inclusion19 decks41 decks
6%synergy
Ketria Triome
46%inclusion19 decks41 decks
5%synergy
Rootbound Crag
46%inclusion19 decks41 decks
7%synergy
Rejuvenating Springs
44%inclusion18 decks41 decks
10%synergy
Spire Garden
37%inclusion15 decks41 decks
8%synergy
Scalding Tarn
37%inclusion15 decks41 decks
4%synergy
Valakut Awakening
37%inclusion15 decks41 decks
34%synergy
Misty Rainforest
34%inclusion14 decks41 decks
1%synergy
Dreamroot Cascade
34%inclusion14 decks41 decks
7%synergy
Training Center
34%inclusion14 decks41 decks
5%synergy
Willowrush Verge
33%inclusion2 decks6 decks
25%synergy
Karplusan Forest
32%inclusion13 decks41 decks
6%synergy
Wooded Foothills
29%inclusion12 decks41 decks
-5%synergy
Flooded Grove
29%inclusion12 decks41 decks
14%synergy
Rockfall Vale
24%inclusion10 decks41 decks
-7%synergy
Simic Growth Chamber
22%inclusion9 decks41 decks
6%synergy
Izzet Boilerworks
22%inclusion9 decks41 decks
8%synergy
Cascade Bluffs
22%inclusion9 decks41 decks
14%synergy
Terramorphic Expanse
20%inclusion8 decks41 decks
3%synergy
Stormcarved Coast
20%inclusion8 decks41 decks
-1%synergy
Path of Ancestry
20%inclusion8 decks41 decks
-9%synergy
Mossfire Valley
17%inclusion7 decks41 decks
7%synergy
Myriad Landscape
17%inclusion7 decks41 decks
7%synergy
Temple of Abandon
17%inclusion7 decks41 decks
-2%synergy
Temple of Epiphany
17%inclusion7 decks41 decks
0%synergy
Temple of Mystery
17%inclusion7 decks41 decks
-3%synergy
Hedge Maze
17%inclusion7 decks41 decks
4%synergy
Bala Ged Recovery
17%inclusion7 decks41 decks
10%synergy
Sink into Stupor
15%inclusion5 decks33 decks
8%synergy
Fabled Passage
15%inclusion6 decks41 decks
3%synergy
Gruul Turf
15%inclusion6 decks41 decks
0%synergy
Evolving Wilds
15%inclusion6 decks41 decks
-13%synergy
Commercial District
15%inclusion6 decks41 decks
3%synergy
Game Trail
12%inclusion5 decks41 decks
0%synergy
Riverglide Pathway
12%inclusion5 decks41 decks
7%synergy
Barkchannel Pathway
12%inclusion5 decks41 decks
6%synergy
Ferrous Lake
12%inclusion5 decks41 decks
9%synergy