Seymour Guado (Commander) - Upgraded

Original Name:

Kinnan, Bonder ProdigyKinnan, Bonder Prodigy

Background image for What if Thassa's Oracle Were Banned?
Harvey McGuinness
Sep 23, 2025
What if Thassa's Oracle Were Banned?
What would happen to cEDH if Thassa's Oracle were banned tomorrow? Would the best decks fall apart? Would there be a new meta? Let's discuss.
Deck Filters
Cardsphere
Archidekt
Commander Spellbook
Moxfield
Scryfall
Bender's Waterskin
2.0%inclusion2 decks99 decks
2%synergy
Hide on the Ceiling
1.3%inclusion1 decks76 decks
1%synergy
Strength of Will
1.3%inclusion1 decks77 decks
1%synergy
Web of Life and Destiny
1.3%inclusion1 decks80 decks
1%synergy
Barrels of Blasting Jelly
1.0%inclusion1 decks98 decks
1%synergy
High Synergy Cards
Llanowar Elves
87%inclusion277 decks318 decks
59%synergy
Elvish Mystic
82%inclusion260 decks318 decks
57%synergy
Fyndhorn Elves
69%inclusion220 decks318 decks
53%synergy
Paradise Druid
50%inclusion160 decks318 decks
46%synergy
Birds of Paradise
69%inclusion221 decks318 decks
42%synergy
Hullbreaker Horror
58%inclusion185 decks318 decks
41%synergy
Freed from the Real
43%inclusion137 decks318 decks
38%synergy
Tidespout Tyrant
40%inclusion127 decks318 decks
36%synergy
Trophy Mage
40%inclusion126 decks318 decks
35%synergy
Moonsilver Key
38%inclusion121 decks318 decks
34%synergy
Top Cards
Counterspell
62%inclusion198 decks318 decks
12%synergy
An Offer You Can't Refuse
45%inclusion142 decks318 decks
22%synergy
Nezahal, Primal Tide
44%inclusion139 decks318 decks
32%synergy
Negate
43%inclusion136 decks318 decks
17%synergy
Enduring Vitality
41%inclusion128 decks315 decks
33%synergy
Colossal Skyturtle
39%inclusion124 decks318 decks
33%synergy
Koma, Cosmos Serpent
36%inclusion116 decks318 decks
21%synergy
Thrasios, Triton Hero
36%inclusion116 decks318 decks
29%synergy
Mystic Remora
36%inclusion114 decks318 decks
20%synergy
Armored Scrapgorger
35%inclusion112 decks318 decks
33%synergy
Game Changers
Seedborn Muse
54%inclusion171 decks318 decks
38%synergy
Consecrated Sphinx
18%inclusion57 decks318 decks
9%synergy
Rhystic Study
16%inclusion52 decks318 decks
-6%synergy
Worldly Tutor
13%inclusion40 decks318 decks
-3%synergy
Jin-Gitaxias, Core Augur
11%inclusion36 decks318 decks
8%synergy
Crop Rotation
9.4%inclusion30 decks318 decks
-4%synergy
Vorinclex, Voice of Hunger
8.8%inclusion28 decks318 decks
6%synergy
Fierce Guardianship
8.8%inclusion28 decks318 decks
-9%synergy
Narset, Parter of Veils
8.2%inclusion26 decks318 decks
7%synergy
The One Ring
6.6%inclusion21 decks318 decks
-1%synergy
Creatures
Ilysian Caryatid
34%inclusion109 decks318 decks
30%synergy
Nyxbloom Ancient
34%inclusion108 decks318 decks
27%synergy
Incubation Druid
34%inclusion107 decks318 decks
26%synergy
Delighted Halfling
33%inclusion104 decks318 decks
21%synergy
Maraleaf Pixie
33%inclusion104 decks318 decks
27%synergy
Wandering Archaic
32%inclusion102 decks318 decks
27%synergy
Ornithopter of Paradise
31%inclusion97 decks318 decks
26%synergy
Kogla, the Titan Ape
30%inclusion95 decks318 decks
26%synergy
Bloom Tender
30%inclusion94 decks318 decks
25%synergy
Phyrexian Metamorph
29%inclusion93 decks318 decks
21%synergy
Drift of Phantasms
28%inclusion90 decks318 decks
26%synergy
Terastodon
27%inclusion86 decks318 decks
19%synergy
Void Winnower
26%inclusion84 decks318 decks
23%synergy
Eternal Witness
26%inclusion82 decks318 decks
4%synergy
Murkfiend Liege
24%inclusion77 decks318 decks
9%synergy
Thorn Mammoth
24%inclusion77 decks318 decks
22%synergy
Walking Ballista
23%inclusion74 decks318 decks
19%synergy
Prophet of Distortion
23%inclusion72 decks318 decks
21%synergy
Craterhoof Behemoth
22%inclusion69 decks318 decks
12%synergy
Reclamation Sage
21%inclusion68 decks318 decks
7%synergy
Manglehorn
21%inclusion68 decks318 decks
18%synergy
Koma, World-Eater
20%inclusion62 decks315 decks
6%synergy
Spellskite
19%inclusion62 decks318 decks
14%synergy
Elvish Spirit Guide
19%inclusion59 decks318 decks
14%synergy
Hydroelectric Specimen
18%inclusion57 decks315 decks
12%synergy
Sylvan Caryatid
17%inclusion55 decks318 decks
15%synergy
Biomancer's Familiar
17%inclusion55 decks318 decks
14%synergy
Priest of Titania
17%inclusion54 decks318 decks
12%synergy
Gyre Engineer
17%inclusion54 decks318 decks
14%synergy
Devoted Druid
17%inclusion53 decks318 decks
14%synergy
Glen Elendra Archmage
16%inclusion52 decks318 decks
13%synergy
Volatile Stormdrake
16%inclusion50 decks315 decks
13%synergy
Clever Impersonator
15%inclusion49 decks318 decks
11%synergy
Perplexing Chimera
15%inclusion48 decks318 decks
13%synergy
High Fae Trickster
15%inclusion46 decks315 decks
11%synergy
Endurance
14%inclusion46 decks318 decks
10%synergy
Poison Dart Frog
13%inclusion42 decks318 decks
7%synergy
Faerie Mastermind
13%inclusion42 decks318 decks
9%synergy
Jin-Gitaxias, Progress Tyrant
13%inclusion42 decks318 decks
11%synergy
Fanatic of Rhonas
13%inclusion40 decks315 decks
7%synergy
Llanowar Loamspeaker
12%inclusion39 decks318 decks
10%synergy
Phantasmal Image
12%inclusion38 decks318 decks
8%synergy
Leafkin Druid
12%inclusion38 decks318 decks
11%synergy
Quirion Elves
12%inclusion38 decks318 decks
11%synergy
Gretchen Titchwillow
12%inclusion37 decks318 decks
10%synergy
Boreal Druid
12%inclusion37 decks318 decks
10%synergy
Kozilek, Butcher of Truth
12%inclusion37 decks318 decks
10%synergy
Beast Whisperer
11%inclusion36 decks318 decks
2%synergy
Nightshade Dryad
11%inclusion35 decks315 decks
10%synergy
Artisan of Kozilek
11%inclusion35 decks318 decks
9%synergy
Instants
Beast Within
34%inclusion107 decks318 decks
-17%synergy
Swan Song
33%inclusion105 decks318 decks
14%synergy
Brainstorm
33%inclusion105 decks318 decks
19%synergy
Pongify
30%inclusion96 decks318 decks
5%synergy
Arcane Denial
30%inclusion95 decks318 decks
7%synergy
Dispel
29%inclusion93 decks318 decks
24%synergy
Dramatic Reversal
29%inclusion92 decks318 decks
25%synergy
Muddle the Mixture
26%inclusion83 decks318 decks
22%synergy
Chord of Calling
26%inclusion82 decks318 decks
18%synergy
Rapid Hybridization
25%inclusion81 decks318 decks
-1%synergy
Heroic Intervention
24%inclusion76 decks318 decks
-6%synergy
Mana Drain
22%inclusion71 decks318 decks
7%synergy
Nature's Claim
22%inclusion69 decks318 decks
11%synergy
Spell Pierce
19%inclusion61 decks318 decks
16%synergy
Sink into Stupor
18%inclusion57 decks315 decks
7%synergy
Mana Leak
17%inclusion55 decks318 decks
15%synergy
Force of Negation
17%inclusion54 decks318 decks
8%synergy
Veil of Summer
17%inclusion53 decks318 decks
11%synergy
Reality Shift
16%inclusion52 decks318 decks
2%synergy
Flusterstorm
16%inclusion52 decks318 decks
10%synergy
Resculpt
16%inclusion51 decks318 decks
10%synergy
Delay
16%inclusion51 decks318 decks
13%synergy
Pact of Negation
16%inclusion50 decks318 decks
8%synergy
Blue Sun's Zenith
15%inclusion49 decks318 decks
12%synergy
Into the Flood Maw
15%inclusion46 decks315 decks
10%synergy
Noxious Revival
14%inclusion45 decks318 decks
8%synergy
Growth Spiral
13%inclusion42 decks318 decks
-31%synergy
Whir of Invention
13%inclusion40 decks318 decks
10%synergy
March of Swirling Mist
12%inclusion38 decks318 decks
8%synergy
Scour for Scrap
12%inclusion15 decks127 decks
10%synergy
Cyclonic Rift
12%inclusion37 decks318 decks
-15%synergy
Miscast
12%inclusion37 decks318 decks
10%synergy
Pull from Tomorrow
11%inclusion36 decks318 decks
9%synergy
Chain of Vapor
11%inclusion34 decks318 decks
7%synergy
Force of Vigor
11%inclusion34 decks318 decks
6%synergy
Misdirection
11%inclusion34 decks318 decks
9%synergy
Strix Serenade
10%inclusion33 decks315 decks
7%synergy
Mindbreak Trap
10%inclusion32 decks318 decks
5%synergy
Shared Summons
10%inclusion31 decks318 decks
8%synergy
Mental Misstep
9.1%inclusion29 decks318 decks
4%synergy
Decisive Denial
8.5%inclusion27 decks318 decks
3%synergy
Opt
8.2%inclusion26 decks318 decks
1%synergy
Snap
7.9%inclusion25 decks318 decks
3%synergy
Autumn's Veil
7.5%inclusion24 decks318 decks
7%synergy
Stroke of Genius
7.5%inclusion24 decks318 decks
6%synergy
Krosan Grip
6.9%inclusion22 decks318 decks
-1%synergy
Simic Charm
6.9%inclusion22 decks318 decks
-1%synergy
Return of the Wildspeaker
6.6%inclusion21 decks318 decks
-4%synergy
Impulse
6.6%inclusion21 decks318 decks
6%synergy
Return to Nature
6.3%inclusion20 decks318 decks
0%synergy
Sorceries
Finale of Devastation
34%inclusion109 decks318 decks
23%synergy
Fabricate
34%inclusion107 decks318 decks
27%synergy
Green Sun's Zenith
26%inclusion83 decks318 decks
17%synergy
Nature's Rhythm
23%inclusion57 decks252 decks
17%synergy
Cultivate
16%inclusion51 decks318 decks
-31%synergy
Neoform
15%inclusion49 decks318 decks
11%synergy
Preordain
15%inclusion49 decks318 decks
7%synergy
Ponder
15%inclusion48 decks318 decks
8%synergy
Windfall
14%inclusion45 decks318 decks
10%synergy
Rampant Growth
12%inclusion37 decks318 decks
-29%synergy
Regrowth
11%inclusion35 decks318 decks
7%synergy
Eldritch Evolution
10%inclusion32 decks318 decks
7%synergy
Reshape
10%inclusion31 decks318 decks
8%synergy
Kodama's Reach
8.8%inclusion28 decks318 decks
-28%synergy
Bridgeworks Battle
8.3%inclusion26 decks315 decks
4%synergy
Genesis Wave
7.5%inclusion24 decks318 decks
3%synergy
Nature's Lore
7.2%inclusion23 decks318 decks
-23%synergy
Transmute Artifact
6.3%inclusion20 decks318 decks
4%synergy
Farseek
5.7%inclusion18 decks318 decks
-18%synergy
Curse of the Swine
5.0%inclusion16 decks318 decks
-6%synergy
Of One Mind
5.0%inclusion16 decks318 decks
5%synergy
Solve the Equation
5.0%inclusion16 decks318 decks
3%synergy
Three Visits
5.0%inclusion16 decks318 decks
-18%synergy
Sea Gate Restoration
5.0%inclusion16 decks318 decks
-1%synergy
Finale of Revelation
5.0%inclusion16 decks318 decks
0%synergy
Harmonize
5.0%inclusion16 decks318 decks
-1%synergy
Utility Artifacts
Mirage Mirror
33%inclusion105 decks318 decks
26%synergy
Lightning Greaves
21%inclusion66 decks318 decks
-1%synergy
Swiftfoot Boots
17%inclusion55 decks318 decks
-9%synergy
Isochron Scepter
13%inclusion40 decks318 decks
10%synergy
Staff of Domination
11%inclusion34 decks318 decks
9%synergy
The Great Henge
7.5%inclusion24 decks318 decks
-1%synergy
Sensei's Divining Top
5.0%inclusion16 decks318 decks
1%synergy
Agatha's Soul Cauldron
5.0%inclusion16 decks318 decks
3%synergy
Enchantments
Pemmin's Aura
27%inclusion85 decks318 decks
24%synergy
Garruk's Uprising
19%inclusion59 decks318 decks
3%synergy
Leyline of Abundance
18%inclusion58 decks318 decks
16%synergy
Cryptolith Rite
17%inclusion53 decks318 decks
14%synergy
Training Grounds
16%inclusion51 decks318 decks
12%synergy
Sylvan Library
14%inclusion46 decks318 decks
5%synergy
Kenrith's Transformation
12%inclusion38 decks318 decks
7%synergy
Unstoppable Plan
11%inclusion34 decks311 decks
9%synergy
Mirrormade
10%inclusion33 decks318 decks
9%synergy
Guardian Project
8.5%inclusion27 decks318 decks
2%synergy
Mana Reflection
8.2%inclusion26 decks318 decks
3%synergy
Growing Rites of Itlimoc
7.9%inclusion25 decks318 decks
2%synergy
Amphibian Downpour
7.0%inclusion22 decks315 decks
2%synergy
Wilderness Reclamation
6.0%inclusion19 decks318 decks
-3%synergy
Concordant Crossroads
6.0%inclusion19 decks318 decks
3%synergy
Carpet of Flowers
5.7%inclusion18 decks318 decks
3%synergy
Lurking Predators
5.7%inclusion18 decks318 decks
5%synergy
Intruder Alarm
5.7%inclusion18 decks318 decks
2%synergy
Elven Chorus
5.3%inclusion17 decks318 decks
2%synergy
Battles
Invasion of Ikoria
17%inclusion54 decks318 decks
13%synergy
Planeswalkers
Tezzeret the Seeker
17%inclusion55 decks318 decks
13%synergy
Kiora, Behemoth Beckoner
8.8%inclusion28 decks318 decks
2%synergy
Oko, Thief of Crowns
7.5%inclusion24 decks318 decks
0%synergy
Utility Lands
Treasure Vault
37%inclusion117 decks318 decks
32%synergy
Boseiju, Who Endures
28%inclusion89 decks318 decks
6%synergy
Otawara, Soaring City
27%inclusion85 decks318 decks
8%synergy
Reliquary Tower
20%inclusion65 decks318 decks
-30%synergy
Mistrise Village
20%inclusion52 decks259 decks
10%synergy
Yavimaya, Cradle of Growth
16%inclusion52 decks318 decks
-6%synergy
Emergence Zone
14%inclusion45 decks318 decks
10%synergy
Cephalid Coliseum
14%inclusion45 decks318 decks
10%synergy
Alchemist's Refuge
10%inclusion33 decks318 decks
-7%synergy
Minamo, School at Water's Edge
10%inclusion32 decks318 decks
4%synergy
Rogue's Passage
10%inclusion32 decks318 decks
-12%synergy
Shifting Woodland
10%inclusion31 decks315 decks
3%synergy
Evendo, Waking Haven
8.8%inclusion12 decks136 decks
4%synergy
Urza's Saga
6.9%inclusion22 decks318 decks
2%synergy
Mosswort Bridge
6.3%inclusion20 decks318 decks
-11%synergy
Homeward Path
6.0%inclusion19 decks318 decks
4%synergy
Mana Artifacts
Sol Ring
92%inclusion293 decks318 decks
11%synergy
Arcane Signet
88%inclusion280 decks318 decks
25%synergy
Simic Signet
75%inclusion238 decks318 decks
42%synergy
Talisman of Curiosity
69%inclusion220 decks318 decks
48%synergy
Fellwar Stone
62%inclusion198 decks318 decks
53%synergy
Basalt Monolith
60%inclusion191 decks318 decks
53%synergy
Springleaf Drum
53%inclusion169 decks318 decks
49%synergy
Mind Stone
35%inclusion112 decks318 decks
31%synergy
Thought Vessel
35%inclusion111 decks318 decks
15%synergy
Mox Amber
24%inclusion75 decks318 decks
18%synergy
Lotus Petal
19%inclusion60 decks318 decks
12%synergy
Everflowing Chalice
16%inclusion52 decks318 decks
12%synergy
Commander's Sphere
15%inclusion49 decks318 decks
7%synergy
Prismatic Lens
14%inclusion45 decks318 decks
14%synergy
Moonsnare Prototype
14%inclusion45 decks318 decks
13%synergy
Thran Dynamo
13%inclusion42 decks318 decks
11%synergy
Energy Refractor
13%inclusion40 decks318 decks
12%synergy
Midnight Clock
11%inclusion34 decks318 decks
8%synergy
Mox Opal
9.4%inclusion30 decks318 decks
5%synergy
Prophetic Prism
9.1%inclusion29 decks318 decks
9%synergy
Relic of Legends
9.1%inclusion29 decks318 decks
8%synergy
Gilded Lotus
8.8%inclusion28 decks318 decks
7%synergy
Machine God's Effigy
8.5%inclusion27 decks318 decks
7%synergy
Moss Diamond
8.2%inclusion26 decks318 decks
7%synergy
Paradise Mantle
8.2%inclusion26 decks318 decks
7%synergy
Sky Diamond
7.9%inclusion25 decks318 decks
7%synergy
Skyclave Relic
6.0%inclusion19 decks318 decks
5%synergy
Hedron Archive
5.7%inclusion18 decks318 decks
5%synergy
Decanter of Endless Water
5.3%inclusion17 decks318 decks
0%synergy
Chromatic Lantern
5.3%inclusion17 decks318 decks
3%synergy
Simic Locket
5.0%inclusion16 decks318 decks
4%synergy
Lands
Island
96%inclusion306 decks318 decks
1%synergy
Forest
96%inclusion304 decks318 decks
0%synergy
Command Tower
91%inclusion288 decks318 decks
5%synergy
Yavimaya Coast
71%inclusion225 decks318 decks
18%synergy
Hinterland Harbor
52%inclusion165 decks318 decks
-7%synergy
Breeding Pool
46%inclusion147 decks318 decks
1%synergy
Waterlogged Grove
44%inclusion141 decks318 decks
24%synergy
Rejuvenating Springs
42%inclusion135 decks318 decks
-2%synergy
Exotic Orchard
39%inclusion125 decks318 decks
15%synergy
Flooded Grove
36%inclusion115 decks318 decks
-4%synergy
Vineglimmer Snarl
33%inclusion104 decks318 decks
-6%synergy
Misty Rainforest
31%inclusion99 decks318 decks
0%synergy
Dreamroot Cascade
29%inclusion91 decks318 decks
-13%synergy
Temple of Mystery
27%inclusion87 decks318 decks
-11%synergy
Simic Growth Chamber
26%inclusion82 decks318 decks
-23%synergy
Barkchannel Pathway
22%inclusion71 decks318 decks
2%synergy
Flooded Strand
19%inclusion61 decks318 decks
8%synergy
Sink into Stupor
18%inclusion57 decks315 decks
7%synergy
Hydroelectric Specimen
18%inclusion57 decks315 decks
12%synergy
Polluted Delta
18%inclusion57 decks318 decks
8%synergy
Verdant Catacombs
18%inclusion56 decks318 decks
8%synergy
Botanical Sanctum
18%inclusion56 decks318 decks
5%synergy
City of Brass
16%inclusion51 decks318 decks
10%synergy
Scalding Tarn
16%inclusion51 decks318 decks
6%synergy
Windswept Heath
16%inclusion51 decks318 decks
6%synergy
Tropical Island
16%inclusion51 decks318 decks
2%synergy
Wooded Foothills
15%inclusion47 decks318 decks
5%synergy
Mana Confluence
15%inclusion47 decks318 decks
9%synergy
Willowrush Verge
13%inclusion41 decks311 decks
-2%synergy
Hedge Maze
13%inclusion40 decks316 decks
-7%synergy
Thornwood Falls
13%inclusion40 decks318 decks
-5%synergy
Gemstone Caverns
13%inclusion40 decks318 decks
7%synergy
Evolving Wilds
12%inclusion39 decks318 decks
-13%synergy
Overflowing Basin
10%inclusion32 decks316 decks
-9%synergy
Bridgeworks Battle
8.3%inclusion26 decks315 decks
4%synergy
Reflecting Pool
8.2%inclusion26 decks318 decks
5%synergy
Prismatic Vista
7.9%inclusion25 decks318 decks
0%synergy
Myriad Landscape
7.5%inclusion24 decks318 decks
-15%synergy
Terramorphic Expanse
7.2%inclusion23 decks318 decks
-13%synergy
Simic Guildgate
6.6%inclusion21 decks318 decks
-4%synergy
Tangled Islet
6.0%inclusion19 decks318 decks
-11%synergy
Path of Ancestry
6.0%inclusion19 decks318 decks
-12%synergy
Snow-Covered Island
5.7%inclusion18 decks318 decks
-1%synergy
Cavern of Souls
5.7%inclusion18 decks318 decks
-1%synergy
Fabled Passage
5.3%inclusion17 decks318 decks
-9%synergy
Talon Gates of Madara
5.1%inclusion16 decks315 decks
-3%synergy
Woodland Stream
5.0%inclusion16 decks318 decks
0%synergy
Sea Gate Restoration
5.0%inclusion16 decks318 decks
-1%synergy
Snow-Covered Forest
5.0%inclusion16 decks318 decks
-2%synergy