River Song (Commander) - Expensive Polymorph

River Song
Rank #653
2decks
As CommanderAs CardAverage DeckDecks
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Arnaud Gompertz
Jun 24, 2026
Arnaud Gompertz
Five Underappreciated Precons Worth a Second Look
Not all precons are born equal. Arnaud takes a look at some of the most underappreciated decks released since 2011.
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Jeska's Will
100%inclusion2 decks2 decks
71%synergy
Consecrated Sphinx
100%inclusion2 decks2 decks
97%synergy
Rhystic Study
100%inclusion2 decks2 decks
77%synergy
Fierce Guardianship
100%inclusion2 decks2 decks
79%synergy
Cyclonic Rift
100%inclusion2 decks2 decks
77%synergy
The One Ring
50%inclusion1 decks2 decks
41%synergy
Force of Will
50%inclusion1 decks2 decks
38%synergy
Gamble
50%inclusion1 decks2 decks
34%synergy
Mystical Tutor
50%inclusion1 decks2 decks
29%synergy
Creatures
Niv-Mizzet, Parun
100%inclusion2 decks2 decks
74%synergy
Neera, Wild Mage
100%inclusion2 decks2 decks
98%synergy
Ancient Silver Dragon
100%inclusion2 decks2 decks
98%synergy
Ovika, Enigma Goliath
100%inclusion2 decks2 decks
94%synergy
Timestream Navigator
100%inclusion2 decks2 decks
99%synergy
Hullbreaker Horror
100%inclusion2 decks2 decks
93%synergy
Blightsteel Colossus
100%inclusion2 decks2 decks
98%synergy
Jin-Gitaxias, Progress Tyrant
100%inclusion2 decks2 decks
98%synergy
Drakuseth, Maw of Flames
50%inclusion1 decks2 decks
48%synergy
Etali, Primal Storm
50%inclusion1 decks2 decks
45%synergy
Roaming Throne
50%inclusion1 decks2 decks
45%synergy
Young Pyromancer
50%inclusion1 decks2 decks
35%synergy
Thassa, God of the Sea
50%inclusion1 decks2 decks
49%synergy
Junktroller
50%inclusion1 decks2 decks
49%synergy
The Reality Chip
50%inclusion1 decks2 decks
46%synergy
Noble Benefactor
50%inclusion1 decks2 decks
49%synergy
Krenko's Buzzcrusher
50%inclusion1 decks2 decks
49%synergy
It That Betrays
50%inclusion1 decks2 decks
49%synergy
Ulamog, the Infinite Gyre
50%inclusion1 decks2 decks
49%synergy
Nezahal, Primal Tide
50%inclusion1 decks2 decks
49%synergy
Tomb Trawler
50%inclusion1 decks2 decks
49%synergy
Fireflux Squad
50%inclusion1 decks2 decks
50%synergy
The Locust God
50%inclusion1 decks2 decks
43%synergy
Jin-Gitaxias, Core Augur
50%inclusion1 decks2 decks
49%synergy
Third Path Iconoclast
50%inclusion1 decks2 decks
35%synergy
Instants
Pongify
100%inclusion2 decks2 decks
73%synergy
Mana Drain
100%inclusion2 decks2 decks
83%synergy
Divergent Transformations
100%inclusion2 decks2 decks
99%synergy
Rapid Hybridization
50%inclusion1 decks2 decks
33%synergy
Chaos Warp
50%inclusion1 decks2 decks
9%synergy
Chaos Mutation
50%inclusion1 decks2 decks
48%synergy
Invert Polarity
50%inclusion1 decks2 decks
39%synergy
Guff Rewrites History
50%inclusion1 decks2 decks
49%synergy
Swan Song
50%inclusion1 decks2 decks
28%synergy
Arcane Denial
50%inclusion1 decks2 decks
20%synergy
Sink into Stupor
50%inclusion1 decks2 decks
32%synergy
Counterspell
50%inclusion1 decks2 decks
-2%synergy
Spell Crumple
50%inclusion1 decks2 decks
49%synergy
Dig Through Time
50%inclusion1 decks2 decks
38%synergy
Sorceries
Polymorph
100%inclusion2 decks2 decks
99%synergy
From the Ashes
100%inclusion2 decks2 decks
99%synergy
Transmogrify
100%inclusion2 decks2 decks
99%synergy
Reality Scramble
100%inclusion2 decks2 decks
99%synergy
Nanogene Conversion
100%inclusion2 decks2 decks
99%synergy
Ponder
50%inclusion1 decks2 decks
14%synergy
Windfall
50%inclusion1 decks2 decks
26%synergy
Quantum Misalignment
50%inclusion1 decks2 decks
47%synergy
Vandalblast
50%inclusion1 decks2 decks
25%synergy
Mizzix's Mastery
50%inclusion1 decks2 decks
31%synergy
Warp World
50%inclusion1 decks2 decks
49%synergy
Serum Visions
50%inclusion1 decks2 decks
34%synergy
Blasphemous Act
50%inclusion1 decks2 decks
11%synergy
Krenko's Command
50%inclusion1 decks2 decks
48%synergy
Mystic Speculation
50%inclusion1 decks2 decks
50%synergy
Chaotic Transformation
50%inclusion1 decks2 decks
49%synergy
Mass Polymorph
50%inclusion1 decks2 decks
50%synergy
Expressive Iteration
50%inclusion1 decks2 decks
26%synergy
Sundering Eruption
50%inclusion1 decks2 decks
44%synergy
Dragon Fodder
50%inclusion1 decks2 decks
48%synergy
Forbidden Friendship
50%inclusion1 decks2 decks
50%synergy
Ingenious Mastery
50%inclusion1 decks2 decks
49%synergy
Indomitable Creativity
50%inclusion1 decks2 decks
50%synergy
Utility Artifacts
River Song's Diary
100%inclusion2 decks2 decks
99%synergy
Palantír of Orthanc
100%inclusion2 decks2 decks
100%synergy
Proteus Staff
100%inclusion2 decks2 decks
100%synergy
Lightning Greaves
100%inclusion2 decks2 decks
75%synergy
Reito Lantern
100%inclusion2 decks2 decks
100%synergy
Scroll Rack
50%inclusion1 decks2 decks
49%synergy
Soldevi Digger
50%inclusion1 decks2 decks
50%synergy
Goblin Charbelcher
50%inclusion1 decks2 decks
50%synergy
Lantern of Insight
50%inclusion1 decks2 decks
50%synergy
Enchantments
Curiosity
100%inclusion2 decks2 decks
76%synergy
Clout of the Dominus
100%inclusion2 decks2 decks
97%synergy
Propaganda
100%inclusion2 decks2 decks
85%synergy
One with the Multiverse
50%inclusion1 decks2 decks
47%synergy
Thopter Spy Network
50%inclusion1 decks2 decks
46%synergy
Future Sight
50%inclusion1 decks2 decks
49%synergy
Sneak Attack
50%inclusion1 decks2 decks
50%synergy
Ophidian Eye
50%inclusion1 decks2 decks
36%synergy
Planeswalkers
Saheeli, Sublime Artificer
100%inclusion2 decks2 decks
94%synergy
Lukka, Coppercoat Outcast
50%inclusion1 decks2 decks
50%synergy
Ral, Crackling Wit
50%inclusion1 decks2 decks
39%synergy
Chandra, Acolyte of Flame
50%inclusion1 decks2 decks
50%synergy
Utility Lands
Ghost Quarter
100%inclusion2 decks2 decks
98%synergy
Kher Keep
100%inclusion2 decks2 decks
98%synergy
Sokenzan, Crucible of Defiance
100%inclusion2 decks2 decks
97%synergy
Field of Ruin
100%inclusion2 decks2 decks
98%synergy
Restless Spire
50%inclusion1 decks2 decks
45%synergy
Rivendell
50%inclusion1 decks2 decks
47%synergy
Trenzalore Clocktower
50%inclusion1 decks2 decks
49%synergy
Dwarven Mine
50%inclusion1 decks2 decks
49%synergy
Reliquary Tower
50%inclusion1 decks2 decks
1%synergy
Castle Vantress
50%inclusion1 decks2 decks
46%synergy
Otawara, Soaring City
50%inclusion1 decks2 decks
32%synergy
Mana Artifacts
Arcane Signet
100%inclusion2 decks2 decks
18%synergy
Talisman of Creativity
100%inclusion2 decks2 decks
46%synergy
Sol Ring
100%inclusion2 decks2 decks
14%synergy
Fellwar Stone
50%inclusion1 decks2 decks
18%synergy
Lands
Command Tower
100%inclusion2 decks2 decks
13%synergy
Shivan Reef
100%inclusion2 decks2 decks
40%synergy
Steam Vents
100%inclusion2 decks2 decks
50%synergy
Exotic Orchard
100%inclusion2 decks2 decks
66%synergy
Mountain
100%inclusion2 decks2 decks
3%synergy
Island
100%inclusion2 decks2 decks
2%synergy
Volcanic Island
100%inclusion2 decks2 decks
84%synergy
Scalding Tarn
100%inclusion2 decks2 decks
69%synergy
Thundering Falls
100%inclusion2 decks2 decks
79%synergy
Training Center
100%inclusion2 decks2 decks
58%synergy
Fiery Islet
50%inclusion1 decks2 decks
25%synergy
Misty Rainforest
50%inclusion1 decks2 decks
40%synergy
Riverglide Pathway
50%inclusion1 decks2 decks
26%synergy
Sulfur Falls
50%inclusion1 decks2 decks
-17%synergy
Temple of Epiphany
50%inclusion1 decks2 decks
12%synergy
Demolition Field
50%inclusion1 decks2 decks
47%synergy
Sink into Stupor
50%inclusion1 decks2 decks
32%synergy
Arid Mesa
50%inclusion1 decks2 decks
41%synergy
Sundering Eruption
50%inclusion1 decks2 decks
44%synergy
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