Obeka, Splitter of Seconds (Commander) - Discard

Obeka, Splitter of Seconds
Rank #54
6decks
As CommanderAs CardAverage DeckDecks
Bracket
All12345
Budget
Any
$
$$$
Background image for The Top 40 Three-Colored Commanders
Cooper Gottfried
Dec 15, 2025
Cooper Gottfried
The Top 40 Three-Colored Commanders
Who are the most popular three-colored commanders? Let's find out, with this list of the top 40, with data from EDHREC.
Deck Filters
Cardsphere
Archidekt
Commander Spellbook
Moxfield
Scryfall
MTGStocks
High Synergy Cards
Game Changers
Creatures
Instants
Sorceries
Utility Artifacts
Enchantments
Utility Lands
Mana Artifacts
Lands
Back to Top
Court of Ambition
67%inclusion4 decks6 decks
61%synergy
Rogue's Passage
67%inclusion4 decks6 decks
44%synergy
Negate
67%inclusion4 decks6 decks
44%synergy
Game Changers
Jeska's Will
33%inclusion2 decks6 decks
17%synergy
Underworld Breach
33%inclusion2 decks6 decks
23%synergy
Opposition Agent
17%inclusion1 decks6 decks
11%synergy
Demonic Tutor
17%inclusion1 decks6 decks
-5%synergy
Fierce Guardianship
17%inclusion1 decks6 decks
-3%synergy
Cyclonic Rift
17%inclusion1 decks6 decks
-6%synergy
Orcish Bowmasters
17%inclusion1 decks6 decks
-2%synergy
Vampiric Tutor
17%inclusion1 decks6 decks
0%synergy
Mystical Tutor
17%inclusion1 decks6 decks
3%synergy
Creatures
Scrawling Crawler
75%inclusion3 decks4 decks
66%synergy
Creeping Bloodsucker
50%inclusion3 decks6 decks
46%synergy
Braids, Conjurer Adept
50%inclusion3 decks6 decks
48%synergy
Generous Plunderer
50%inclusion3 decks6 decks
48%synergy
Dragonmaster Outcast
50%inclusion3 decks6 decks
46%synergy
Starfield Vocalist
50%inclusion1 decks2 decks
49%synergy
Displacer Kitten
33%inclusion2 decks6 decks
28%synergy
Stormfist Crusader
33%inclusion2 decks6 decks
28%synergy
Charmbreaker Devils
33%inclusion2 decks6 decks
33%synergy
Silent Arbiter
33%inclusion2 decks6 decks
30%synergy
Stirring Bard
33%inclusion2 decks6 decks
33%synergy
Nightscape Familiar
33%inclusion2 decks6 decks
7%synergy
Rilsa Rael, Kingpin
33%inclusion2 decks6 decks
32%synergy
Bloodhall Ooze
33%inclusion2 decks6 decks
33%synergy
Blood Tyrant
33%inclusion2 decks6 decks
32%synergy
High Fae Trickster
25%inclusion1 decks4 decks
19%synergy
Alexios, Deimos of Kosmos
25%inclusion1 decks4 decks
23%synergy
Transit Mage
25%inclusion1 decks4 decks
25%synergy
Perforating Artist
25%inclusion1 decks4 decks
24%synergy
Razorkin Needlehead
25%inclusion1 decks4 decks
19%synergy
Mockingbird
25%inclusion1 decks4 decks
23%synergy
Solemn Simulacrum
17%inclusion1 decks6 decks
4%synergy
Jiwari, the Earth Aflame
17%inclusion1 decks6 decks
17%synergy
Haunted Dead
17%inclusion1 decks6 decks
17%synergy
Karlach, Fury of Avernus
17%inclusion1 decks6 decks
15%synergy
Rampaging War Mammoth
17%inclusion1 decks6 decks
15%synergy
Ormos, Archive Keeper
17%inclusion1 decks6 decks
17%synergy
Trophy Mage
17%inclusion1 decks6 decks
16%synergy
Peregrine Drake
17%inclusion1 decks6 decks
16%synergy
Anowon, the Ruin Sage
17%inclusion1 decks6 decks
16%synergy
Chainer, Nightmare Adept
17%inclusion1 decks6 decks
14%synergy
Ravenloft Adventurer
17%inclusion1 decks6 decks
16%synergy
Keeper of Keys
17%inclusion1 decks6 decks
16%synergy
Imoen, Mystic Trickster
17%inclusion1 decks6 decks
16%synergy
Shrieking Drake
17%inclusion1 decks6 decks
17%synergy
Passageway Seer
17%inclusion1 decks6 decks
16%synergy
Deathspore Thallid
17%inclusion1 decks6 decks
17%synergy
Ghost-Lit Raider
17%inclusion1 decks6 decks
17%synergy
Weed-Pruner Poplar
17%inclusion1 decks6 decks
17%synergy
Vohar, Vodalian Desecrator
17%inclusion1 decks6 decks
16%synergy
Sedris, the Traitor King
17%inclusion1 decks6 decks
15%synergy
Doom Whisperer
17%inclusion1 decks6 decks
16%synergy
Agent of Treachery
17%inclusion1 decks6 decks
15%synergy
Tomb of Horrors Adventurer
17%inclusion1 decks6 decks
16%synergy
Marshland Bloodcaster
17%inclusion1 decks6 decks
17%synergy
Sin Prodder
17%inclusion1 decks6 decks
16%synergy
Nimble Obstructionist
17%inclusion1 decks6 decks
17%synergy
Underdark Explorer
17%inclusion1 decks6 decks
16%synergy
Bonehoard Dracosaur
17%inclusion1 decks6 decks
14%synergy
Fate Unraveler
17%inclusion1 decks6 decks
11%synergy
Instants
Chaos Warp
50%inclusion3 decks6 decks
14%synergy
Counterspell
50%inclusion3 decks6 decks
6%synergy
Terminate
33%inclusion2 decks6 decks
7%synergy
Unsummon
33%inclusion2 decks6 decks
33%synergy
Counterflux
33%inclusion2 decks6 decks
32%synergy
Refute
25%inclusion1 decks4 decks
24%synergy
Untimely Malfunction
25%inclusion1 decks4 decks
19%synergy
Into the Flood Maw
25%inclusion1 decks4 decks
21%synergy
Sink into Stupor
25%inclusion1 decks4 decks
15%synergy
Withering Torment
25%inclusion1 decks4 decks
12%synergy
Hagra Mauling
17%inclusion1 decks6 decks
15%synergy
Deadly Rollick
17%inclusion1 decks6 decks
0%synergy
Muddle the Mixture
17%inclusion1 decks6 decks
14%synergy
Illusionist's Stratagem
17%inclusion1 decks6 decks
16%synergy
Frantic Search
17%inclusion1 decks6 decks
-2%synergy
An Offer You Can't Refuse
17%inclusion1 decks6 decks
-12%synergy
Run Away Together
17%inclusion1 decks6 decks
16%synergy
Displace
17%inclusion1 decks6 decks
14%synergy
Expedite
17%inclusion1 decks6 decks
16%synergy
Brainstorm
17%inclusion1 decks6 decks
-1%synergy
Hatred
17%inclusion1 decks6 decks
16%synergy
Turn Aside
17%inclusion1 decks6 decks
16%synergy
Fact or Fiction
17%inclusion1 decks6 decks
9%synergy
Brain Freeze
17%inclusion1 decks6 decks
9%synergy
Dark Ritual
17%inclusion1 decks6 decks
-19%synergy
Fading Hope
17%inclusion1 decks6 decks
16%synergy
Seething Song
17%inclusion1 decks6 decks
11%synergy
Countersquall
17%inclusion1 decks6 decks
15%synergy
Bitter Triumph
17%inclusion1 decks6 decks
14%synergy
Aetherize
17%inclusion1 decks6 decks
13%synergy
Slip Out the Back
17%inclusion1 decks6 decks
14%synergy
Swan Song
17%inclusion1 decks6 decks
-2%synergy
Twinferno
17%inclusion1 decks6 decks
16%synergy
Infernal Grasp
17%inclusion1 decks6 decks
12%synergy
Magma Opus
17%inclusion1 decks6 decks
16%synergy
Arcane Denial
17%inclusion1 decks6 decks
-12%synergy
Ghostly Flicker
17%inclusion1 decks6 decks
10%synergy
Deflecting Swat
17%inclusion1 decks6 decks
-2%synergy
Narset's Reversal
17%inclusion1 decks6 decks
12%synergy
Dramatic Reversal
17%inclusion1 decks6 decks
14%synergy
Abrade
17%inclusion1 decks6 decks
7%synergy
Sorceries
Feed the Swarm
50%inclusion3 decks6 decks
20%synergy
Wild Ride
50%inclusion1 decks2 decks
50%synergy
Blasphemous Act
50%inclusion3 decks6 decks
5%synergy
Profane Tutor
33%inclusion2 decks6 decks
29%synergy
Electroduplicate
25%inclusion1 decks4 decks
24%synergy
Full Throttle
25%inclusion1 decks4 decks
24%synergy
Blasphemous Edict
25%inclusion1 decks4 decks
19%synergy
World at War
17%inclusion1 decks6 decks
16%synergy
Chain Reaction
17%inclusion1 decks6 decks
14%synergy
Windfall
17%inclusion1 decks6 decks
-7%synergy
Neverending Torment
17%inclusion1 decks6 decks
17%synergy
Strangle
17%inclusion1 decks6 decks
17%synergy
Seize the Day
17%inclusion1 decks6 decks
15%synergy
Vandalblast
17%inclusion1 decks6 decks
0%synergy
Mizzix's Mastery
17%inclusion1 decks6 decks
14%synergy
Undying Flames
17%inclusion1 decks6 decks
17%synergy
Personal Tutor
17%inclusion1 decks6 decks
16%synergy
Decree of Pain
17%inclusion1 decks6 decks
12%synergy
Ancestral Vision
17%inclusion1 decks6 decks
13%synergy
Mana Geyser
17%inclusion1 decks6 decks
12%synergy
Artful Dodge
17%inclusion1 decks6 decks
16%synergy
From the Catacombs
17%inclusion1 decks6 decks
16%synergy
Elemental Masterpiece
17%inclusion1 decks6 decks
17%synergy
Reforge the Soul
17%inclusion1 decks6 decks
12%synergy
Eternal Dominion
17%inclusion1 decks6 decks
16%synergy
Solve the Equation
17%inclusion1 decks6 decks
15%synergy
Rite of Replication
17%inclusion1 decks6 decks
13%synergy
Utility Artifacts
Mithril Coat
50%inclusion3 decks6 decks
45%synergy
Ring of Valkas
50%inclusion3 decks6 decks
46%synergy
Ring of Evos Isle
50%inclusion3 decks6 decks
47%synergy
Darksteel Reactor
50%inclusion3 decks6 decks
49%synergy
Lightning Greaves
50%inclusion3 decks6 decks
20%synergy
Entropic Battlecruiser
50%inclusion1 decks2 decks
47%synergy
Trailblazer's Torch
33%inclusion2 decks6 decks
33%synergy
The Reaver Cleaver
33%inclusion2 decks6 decks
31%synergy
Prowler's Helm
33%inclusion2 decks6 decks
33%synergy
Whispersilk Cloak
33%inclusion2 decks6 decks
28%synergy
Swiftfoot Boots
33%inclusion2 decks6 decks
7%synergy
Ring of Xathrid
33%inclusion2 decks6 decks
30%synergy
Fountain of Renewal
33%inclusion2 decks6 decks
33%synergy
Venser's Journal
33%inclusion2 decks6 decks
31%synergy
Chainsaw
25%inclusion1 decks4 decks
25%synergy
Monument to Endurance
25%inclusion1 decks4 decks
18%synergy
God-Pharaoh's Statue
17%inclusion1 decks6 decks
16%synergy
Gorgon's Head
17%inclusion1 decks6 decks
17%synergy
Tamiyo's Journal
17%inclusion1 decks6 decks
15%synergy
Tarrian's Soulcleaver
17%inclusion1 decks6 decks
16%synergy
Portal to Phyrexia
17%inclusion1 decks6 decks
15%synergy
Wayfarer's Bauble
17%inclusion1 decks6 decks
5%synergy
Twinning Staff
17%inclusion1 decks6 decks
12%synergy
Staff of Nin
17%inclusion1 decks6 decks
16%synergy
Mindsplice Apparatus
17%inclusion1 decks6 decks
15%synergy
Robe of the Archmagi
17%inclusion1 decks6 decks
16%synergy
Brass Knuckles
17%inclusion1 decks6 decks
17%synergy
Trailblazer's Boots
17%inclusion1 decks6 decks
14%synergy
Cliffhaven Kitesail
17%inclusion1 decks6 decks
17%synergy
Sculpting Steel
17%inclusion1 decks6 decks
15%synergy
Panharmonicon
17%inclusion1 decks6 decks
12%synergy
Thieves' Tools
17%inclusion1 decks6 decks
16%synergy
Tithing Blade
17%inclusion1 decks6 decks
15%synergy
Vorrac Battlehorns
17%inclusion1 decks6 decks
16%synergy
Conqueror's Flail
17%inclusion1 decks6 decks
15%synergy
Maskwood Nexus
17%inclusion1 decks6 decks
13%synergy
Netherborn Altar
17%inclusion1 decks6 decks
17%synergy
Winged Boots
17%inclusion1 decks6 decks
14%synergy
Key to the City
17%inclusion1 decks6 decks
16%synergy
Two-Handed Axe
17%inclusion1 decks6 decks
16%synergy
Silver Shroud Costume
17%inclusion1 decks6 decks
14%synergy
Darksteel Plate
17%inclusion1 decks6 decks
16%synergy
Tempting Contract
17%inclusion1 decks6 decks
16%synergy
Sword of Feast and Famine
17%inclusion1 decks6 decks
15%synergy
Isochron Scepter
17%inclusion1 decks6 decks
14%synergy
Quicksilver Amulet
17%inclusion1 decks6 decks
16%synergy
Cloak of the Bat
17%inclusion1 decks6 decks
16%synergy
Coercive Portal
17%inclusion1 decks6 decks
16%synergy
Clearwater Goblet
17%inclusion1 decks6 decks
17%synergy
Enchantments
Descent into Avernus
50%inclusion3 decks6 decks
46%synergy
Court of Embereth
50%inclusion3 decks6 decks
46%synergy
As Foretold
50%inclusion3 decks6 decks
45%synergy
Frostcliff Siege
50%inclusion1 decks2 decks
47%synergy
Dreadhorde Invasion
33%inclusion2 decks6 decks
29%synergy
Aqueous Form
33%inclusion2 decks6 decks
29%synergy
Mechanized Production
33%inclusion2 decks6 decks
28%synergy
Palace Siege
33%inclusion2 decks6 decks
31%synergy
Court of Locthwain
33%inclusion2 decks6 decks
29%synergy
Estrid's Invocation
33%inclusion2 decks6 decks
32%synergy
Feast on the Fallen
33%inclusion2 decks6 decks
32%synergy
Underworld Dreams
33%inclusion2 decks6 decks
27%synergy
Leyline of Anticipation
33%inclusion2 decks6 decks
28%synergy
Court of Vantress
33%inclusion2 decks6 decks
29%synergy
Paradox Haze
33%inclusion2 decks6 decks
30%synergy
Phyrexian Arena
33%inclusion2 decks6 decks
23%synergy
Shadow of the Second Sun
25%inclusion1 decks4 decks
24%synergy
Dungeon Delver
17%inclusion1 decks6 decks
16%synergy
Endless Evil
17%inclusion1 decks6 decks
16%synergy
Subversion
17%inclusion1 decks6 decks
16%synergy
Aether Tunnel
17%inclusion1 decks6 decks
15%synergy
Honden of Infinite Rage
17%inclusion1 decks6 decks
16%synergy
Court of Ire
17%inclusion1 decks6 decks
12%synergy
Biting Tether
17%inclusion1 decks6 decks
17%synergy
Aggravated Assault
17%inclusion1 decks6 decks
15%synergy
The Ruinous Powers
17%inclusion1 decks6 decks
14%synergy
Court of Cunning
17%inclusion1 decks6 decks
14%synergy
Honden of Night's Reach
17%inclusion1 decks6 decks
16%synergy
Extravagant Replication
17%inclusion1 decks6 decks
12%synergy
Creeping Dread
17%inclusion1 decks6 decks
17%synergy
Dictate of the Twin Gods
17%inclusion1 decks6 decks
16%synergy
Honden of Seeing Winds
17%inclusion1 decks6 decks
16%synergy
Thopter Spy Network
17%inclusion1 decks6 decks
13%synergy
Dual Casting
17%inclusion1 decks6 decks
16%synergy
Break Through the Line
17%inclusion1 decks6 decks
16%synergy
Necrosynthesis
17%inclusion1 decks6 decks
17%synergy
Endless Ranks of the Dead
17%inclusion1 decks6 decks
16%synergy
Sanguine Bond
17%inclusion1 decks6 decks
16%synergy
Followed Footsteps
17%inclusion1 decks6 decks
16%synergy
Conspiracy
17%inclusion1 decks6 decks
16%synergy
Form of the Dragon
17%inclusion1 decks6 decks
17%synergy
Loot Dispute
17%inclusion1 decks6 decks
16%synergy
Ill-Gotten Inheritance
17%inclusion1 decks6 decks
16%synergy
Shark Typhoon
17%inclusion1 decks6 decks
15%synergy
Decree of Silence
17%inclusion1 decks6 decks
17%synergy
Spiteful Visions
17%inclusion1 decks6 decks
12%synergy
Call to the Kindred
17%inclusion1 decks6 decks
16%synergy
Revel in Riches
17%inclusion1 decks6 decks
13%synergy
Bloodchief Ascension
17%inclusion1 decks6 decks
12%synergy
Patient Rebuilding
17%inclusion1 decks6 decks
16%synergy
Utility Lands
Access Tunnel
33%inclusion2 decks6 decks
31%synergy
Shizo, Death's Storehouse
17%inclusion1 decks6 decks
13%synergy
Ghost Quarter
17%inclusion1 decks6 decks
16%synergy
Boseiju, Who Shelters All
17%inclusion1 decks6 decks
16%synergy
Urza's Saga
17%inclusion1 decks6 decks
11%synergy
Emergence Zone
17%inclusion1 decks6 decks
13%synergy
Haunted Fengraf
17%inclusion1 decks6 decks
17%synergy
Inventors' Fair
17%inclusion1 decks6 decks
14%synergy
Castle Embereth
17%inclusion1 decks6 decks
16%synergy
Desolate Lighthouse
17%inclusion1 decks6 decks
10%synergy
Reliquary Tower
17%inclusion1 decks6 decks
-19%synergy
Temple of the False God
17%inclusion1 decks6 decks
8%synergy
Sandstorm Verge
17%inclusion1 decks6 decks
17%synergy
Bonders' Enclave
17%inclusion1 decks6 decks
16%synergy
Field of Ruin
17%inclusion1 decks6 decks
14%synergy
Mana Artifacts
Arcane Signet
67%inclusion4 decks6 decks
-22%synergy
Sol Ring
67%inclusion4 decks6 decks
-23%synergy
Talisman of Creativity
50%inclusion3 decks6 decks
5%synergy
Talisman of Indulgence
50%inclusion3 decks6 decks
7%synergy
Replicating Ring
50%inclusion3 decks6 decks
45%synergy
Talisman of Dominance
50%inclusion3 decks6 decks
1%synergy
Izzet Signet
33%inclusion2 decks6 decks
-1%synergy
Lotus Blossom
33%inclusion2 decks6 decks
33%synergy
Rakdos Signet
33%inclusion2 decks6 decks
-1%synergy
Chromatic Lantern
33%inclusion2 decks6 decks
18%synergy
Dimir Signet
33%inclusion2 decks6 decks
-3%synergy
Commander's Sphere
17%inclusion1 decks6 decks
-4%synergy
Charcoal Diamond
17%inclusion1 decks6 decks
15%synergy
Sky Diamond
17%inclusion1 decks6 decks
15%synergy
Mana Crypt
17%inclusion1 decks6 decks
14%synergy
Lotus Petal
17%inclusion1 decks6 decks
6%synergy
Sarevok's Tome
17%inclusion1 decks6 decks
16%synergy
Moonsnare Prototype
17%inclusion1 decks6 decks
17%synergy
Decanter of Endless Water
17%inclusion1 decks6 decks
12%synergy
Fire Diamond
17%inclusion1 decks6 decks
15%synergy
Gilded Lotus
17%inclusion1 decks6 decks
13%synergy
Dungeoneer's Pack
17%inclusion1 decks6 decks
16%synergy
Midnight Clock
17%inclusion1 decks6 decks
13%synergy
Mind Stone
17%inclusion1 decks6 decks
3%synergy
Obelisk of Grixis
17%inclusion1 decks6 decks
15%synergy
Pyromancer's Goggles
17%inclusion1 decks6 decks
16%synergy
Lands
Swamp
100%inclusion6 decks6 decks
8%synergy
Mountain
100%inclusion6 decks6 decks
9%synergy
Island
100%inclusion6 decks6 decks
7%synergy
Command Tower
83%inclusion5 decks6 decks
-8%synergy
Shivan Reef
67%inclusion4 decks6 decks
38%synergy
Dragonskull Summit
67%inclusion4 decks6 decks
22%synergy
Sulfur Falls
67%inclusion4 decks6 decks
21%synergy
Underground River
67%inclusion4 decks6 decks
40%synergy
Cascade Bluffs
67%inclusion4 decks6 decks
56%synergy
Smoldering Marsh
50%inclusion3 decks6 decks
12%synergy
Graven Cairns
50%inclusion3 decks6 decks
43%synergy
Crumbling Necropolis
50%inclusion3 decks6 decks
-4%synergy
Drowned Catacomb
50%inclusion3 decks6 decks
8%synergy
Xander's Lounge
50%inclusion3 decks6 decks
9%synergy
Sunken Hollow
50%inclusion3 decks6 decks
10%synergy
Sunken Ruins
50%inclusion3 decks6 decks
45%synergy
Sulfurous Springs
50%inclusion3 decks6 decks
23%synergy
Escape Tunnel
33%inclusion2 decks6 decks
32%synergy
Tainted Isle
33%inclusion2 decks6 decks
29%synergy
Steam Vents
33%inclusion2 decks6 decks
-11%synergy
Exotic Orchard
33%inclusion2 decks6 decks
-23%synergy
Foreboding Ruins
33%inclusion2 decks6 decks
15%synergy
Shipwreck Marsh
33%inclusion2 decks6 decks
8%synergy
Reflecting Pool
33%inclusion2 decks6 decks
25%synergy
Tainted Peak
33%inclusion2 decks6 decks
29%synergy
Scalding Tarn
33%inclusion2 decks6 decks
1%synergy
Choked Estuary
33%inclusion2 decks6 decks
16%synergy
Training Center
33%inclusion2 decks6 decks
1%synergy
Polluted Delta
33%inclusion2 decks6 decks
-1%synergy
Bloodstained Mire
33%inclusion2 decks6 decks
-1%synergy
Watery Grave
33%inclusion2 decks6 decks
-13%synergy
Seething Landscape
25%inclusion1 decks4 decks
8%synergy
Sink into Stupor
25%inclusion1 decks4 decks
15%synergy
Hagra Mauling
17%inclusion1 decks6 decks
15%synergy
Raucous Theater
17%inclusion1 decks6 decks
6%synergy
Undercity Sewers
17%inclusion1 decks6 decks
4%synergy
Rakdos Carnarium
17%inclusion1 decks6 decks
6%synergy
Clearwater Pathway
17%inclusion1 decks6 decks
10%synergy
Terramorphic Expanse
17%inclusion1 decks6 decks
-3%synergy
Izzet Boilerworks
17%inclusion1 decks6 decks
5%synergy
Myriad Landscape
17%inclusion1 decks6 decks
7%synergy
Swiftwater Cliffs
17%inclusion1 decks6 decks
10%synergy
Fetid Pools
17%inclusion1 decks6 decks
12%synergy
Temple of Deceit
17%inclusion1 decks6 decks
3%synergy
Akoum Refuge
17%inclusion1 decks6 decks
15%synergy
Rakdos Guildgate
17%inclusion1 decks6 decks
15%synergy
Dimir Aqueduct
17%inclusion1 decks6 decks
5%synergy
Blood Crypt
17%inclusion1 decks6 decks
-28%synergy
Stormcarved Coast
17%inclusion1 decks6 decks
-9%synergy
Riverglide Pathway
17%inclusion1 decks6 decks
10%synergy
About UsContactPrivacy PolicyTerms of Service
Space Cow MediaArchidektCardsphereCommander SpellbookFABRECSpellvoid
Space Cow MediaArchidektCommander's Herald
Commander SpellbookFABRECSpellvoid
EDHREC is unofficial Fan Content permitted under the Fan Content Policy. Not approved/endorsed by Wizards. Portions of the materials used are property of Wizards of the Coast. ©Wizards of the Coast LLC.
next@15 test