Terra, Magical Adept (Commander) - Blink

Terra, Magical Adept
Rank #102
56decks
As CommanderAs CardAverage DeckDecks
Bracket
All12345
Budget
Any$$$$
Background image for The Top 40 Three-Mana Commanders
Cooper Gottfried
Feb 9, 2026
Cooper Gottfried
The Top 40 Three-Mana Commanders
It's another Top 40 list from EDHREC! This time we're looking at the most popular commanders that you can play for just three mana.
Deck Filters
Cardsphere
Archidekt
Commander Spellbook
Moxfield
Scryfall
MTGStocks
New Cards
High Synergy Cards
Top Cards
Game Changers
Creatures
Instants
Sorceries
Utility Artifacts
Enchantments
Planeswalkers
Utility Lands
Mana Artifacts
Lands
Back to Top
Hexing Squelcher
8.3%inclusion1 decks12 decks
5%synergy
Abundant Countryside
8.3%inclusion1 decks12 decks
-5%synergy
Dundoolin Weaver
8.3%inclusion1 decks12 decks
8%synergy
Noggle the Mind
8.3%inclusion1 decks12 decks
8%synergy
High Synergy Cards
Summon: Bahamut
59%inclusion33 decks56 decks
53%synergy
Summon: Titan
54%inclusion29 decks54 decks
49%synergy
Summon: Knights of Round
51%inclusion28 decks55 decks
46%synergy
Summon: Yojimbo
50%inclusion28 decks56 decks
46%synergy
Mystic Remora
54%inclusion30 decks56 decks
43%synergy
Birds of Paradise
66%inclusion37 decks56 decks
41%synergy
Ephemerate
43%inclusion24 decks56 decks
40%synergy
Summon: Fenrir
45%inclusion25 decks56 decks
40%synergy
Summon: Primal Odin
45%inclusion25 decks56 decks
40%synergy
Rydia, Summoner of Mist
42%inclusion22 decks53 decks
38%synergy
Top Cards
Sanctum Weaver
45%inclusion25 decks56 decks
35%synergy
Sythis, Harvest's Hand
41%inclusion23 decks56 decks
31%synergy
Ignoble Hierarch
41%inclusion23 decks56 decks
30%synergy
Yuna, Hope of Spira
41%inclusion23 decks56 decks
37%synergy
Sevinne's Reclamation
39%inclusion22 decks56 decks
36%synergy
Swan Song
39%inclusion22 decks56 decks
29%synergy
Esper Origins
39%inclusion22 decks56 decks
36%synergy
Swords to Plowshares
38%inclusion21 decks56 decks
-1%synergy
Summon: Esper Valigarmanda
38%inclusion21 decks56 decks
35%synergy
Summon: Valefor
36%inclusion20 decks56 decks
32%synergy
Game Changers
Rhystic Study
45%inclusion25 decks56 decks
24%synergy
Demonic Tutor
45%inclusion25 decks56 decks
27%synergy
Enlightened Tutor
41%inclusion23 decks56 decks
28%synergy
Vampiric Tutor
38%inclusion21 decks56 decks
24%synergy
Smothering Tithe
36%inclusion20 decks56 decks
17%synergy
Fierce Guardianship
36%inclusion20 decks56 decks
23%synergy
Underworld Breach
34%inclusion19 decks56 decks
31%synergy
Thassa's Oracle
29%inclusion16 decks56 decks
25%synergy
Ancient Tomb
29%inclusion16 decks56 decks
19%synergy
Lion's Eye Diamond
29%inclusion16 decks56 decks
26%synergy
Creatures
O'aka, Traveling Merchant
36%inclusion20 decks56 decks
32%synergy
Garnet, Princess of Alexandria
34%inclusion18 decks53 decks
30%synergy
Summon: Ixion
34%inclusion19 decks56 decks
31%synergy
Deathrite Shaman
32%inclusion18 decks56 decks
27%synergy
Summon: Shiva
32%inclusion18 decks56 decks
29%synergy
Esper Sentinel
32%inclusion18 decks56 decks
24%synergy
Eidolon of Blossoms
32%inclusion18 decks56 decks
25%synergy
Noble Hierarch
32%inclusion18 decks56 decks
23%synergy
Summon: Kujata
32%inclusion18 decks56 decks
29%synergy
Displacer Kitten
27%inclusion15 decks56 decks
25%synergy
Bloom Tender
27%inclusion15 decks56 decks
9%synergy
Weaver of Harmony
25%inclusion14 decks56 decks
19%synergy
Spark Double
25%inclusion14 decks56 decks
23%synergy
Summon: Brynhildr
25%inclusion13 decks53 decks
22%synergy
Lotho, Corrupt Shirriff
23%inclusion13 decks56 decks
18%synergy
Thassa, Deep-Dwelling
23%inclusion13 decks56 decks
22%synergy
Purphoros, God of the Forge
23%inclusion13 decks56 decks
21%synergy
Elvish Spirit Guide
23%inclusion13 decks56 decks
20%synergy
Voice of Victory
23%inclusion13 decks56 decks
20%synergy
Jukai Naturalist
23%inclusion13 decks56 decks
16%synergy
Summon: Magus Sisters
23%inclusion13 decks56 decks
21%synergy
Ragavan, Nimble Pilferer
21%inclusion12 decks56 decks
17%synergy
Setessan Champion
21%inclusion12 decks56 decks
15%synergy
Squee, the Immortal
21%inclusion12 decks56 decks
21%synergy
Destiny Spinner
21%inclusion12 decks56 decks
17%synergy
Dryad of the Ilysian Grove
21%inclusion12 decks56 decks
9%synergy
Zur, Eternal Schemer
21%inclusion12 decks56 decks
18%synergy
Simian Spirit Guide
20%inclusion11 decks56 decks
17%synergy
Overlord of the Hauntwoods
20%inclusion11 decks56 decks
17%synergy
Overlord of the Balemurk
20%inclusion11 decks56 decks
19%synergy
Gloomshrieker
20%inclusion11 decks56 decks
19%synergy
Tinder Wall
20%inclusion11 decks56 decks
18%synergy
Orcish Bowmasters
20%inclusion11 decks56 decks
16%synergy
Summon: Good King Mog XII
20%inclusion11 decks56 decks
17%synergy
Scholar of New Horizons
18%inclusion10 decks56 decks
16%synergy
Delighted Halfling
18%inclusion10 decks56 decks
7%synergy
Summon: G.F. Ifrit
17%inclusion9 decks53 decks
15%synergy
Joshua, Phoenix's Dominant
17%inclusion9 decks54 decks
14%synergy
Summon: Anima
16%inclusion9 decks55 decks
14%synergy
Summon: Primal Garuda
16%inclusion9 decks55 decks
14%synergy
Eternal Witness
16%inclusion9 decks56 decks
13%synergy
Valley Floodcaller
16%inclusion9 decks56 decks
15%synergy
Enduring Vitality
14%inclusion8 decks56 decks
9%synergy
Ondu Spiritdancer
14%inclusion8 decks56 decks
12%synergy
Tidus, Yuna's Guardian
14%inclusion8 decks56 decks
13%synergy
Sigurd, Jarl of Ravensthorpe
14%inclusion8 decks56 decks
12%synergy
Yenna, Redtooth Regent
13%inclusion7 decks56 decks
9%synergy
Narci, Fable Singer
13%inclusion7 decks56 decks
9%synergy
Fanatic of Rhonas
13%inclusion7 decks56 decks
12%synergy
Tom Bombadil
13%inclusion7 decks56 decks
11%synergy
Instants
An Offer You Can't Refuse
34%inclusion19 decks56 decks
23%synergy
Brain Freeze
29%inclusion16 decks56 decks
26%synergy
Silence
29%inclusion16 decks56 decks
23%synergy
Tainted Pact
27%inclusion15 decks56 decks
24%synergy
Heroic Intervention
27%inclusion15 decks56 decks
4%synergy
Deflecting Swat
27%inclusion15 decks56 decks
17%synergy
Cyclonic Rift
27%inclusion15 decks56 decks
11%synergy
Intuition
25%inclusion14 decks56 decks
23%synergy
Flusterstorm
25%inclusion14 decks56 decks
20%synergy
Force of Will
25%inclusion14 decks56 decks
19%synergy
Mindbreak Trap
23%inclusion13 decks56 decks
20%synergy
Into the Flood Maw
23%inclusion13 decks56 decks
22%synergy
Demonic Consultation
23%inclusion13 decks56 decks
20%synergy
Worldly Tutor
23%inclusion13 decks56 decks
13%synergy
Pact of Negation
23%inclusion13 decks56 decks
19%synergy
Mental Misstep
21%inclusion12 decks56 decks
17%synergy
Dark Ritual
21%inclusion12 decks56 decks
16%synergy
Gifts Ungiven
21%inclusion12 decks56 decks
20%synergy
Mystical Tutor
21%inclusion12 decks56 decks
16%synergy
Moonmist
20%inclusion11 decks56 decks
18%synergy
Veil of Summer
16%inclusion9 decks56 decks
14%synergy
Cabal Ritual
16%inclusion9 decks56 decks
15%synergy
Noxious Revival
16%inclusion9 decks56 decks
14%synergy
Entomb
14%inclusion8 decks56 decks
13%synergy
Ad Nauseam
14%inclusion8 decks56 decks
13%synergy
Borne Upon a Wind
14%inclusion8 decks56 decks
13%synergy
Cloudshift
13%inclusion7 decks56 decks
11%synergy
Counterspell
13%inclusion7 decks56 decks
-10%synergy
Clockspinning
11%inclusion6 decks56 decks
9%synergy
Essence Flux
11%inclusion6 decks56 decks
10%synergy
Final Fortune
11%inclusion6 decks56 decks
9%synergy
Path to Exile
11%inclusion6 decks56 decks
-18%synergy
Chain of Vapor
8.9%inclusion5 decks56 decks
7%synergy
Culling the Weak
8.9%inclusion5 decks56 decks
8%synergy
Force of Negation
8.9%inclusion5 decks56 decks
6%synergy
Red Elemental Blast
8.9%inclusion5 decks56 decks
7%synergy
Flicker of Fate
8.9%inclusion5 decks56 decks
7%synergy
Flare of Duplication
8.9%inclusion5 decks56 decks
9%synergy
Restoration Magic
7.5%inclusion4 decks53 decks
6%synergy
Teferi's Protection
7.1%inclusion4 decks56 decks
-8%synergy
Dovin's Veto
7.1%inclusion4 decks56 decks
1%synergy
Crop Rotation
7.1%inclusion4 decks56 decks
2%synergy
Stubborn Denial
7.1%inclusion4 decks56 decks
5%synergy
Clever Concealment
7.1%inclusion4 decks56 decks
6%synergy
Nature's Claim
7.1%inclusion4 decks56 decks
5%synergy
Mana Drain
7.1%inclusion4 decks56 decks
-2%synergy
Manamorphose
7.1%inclusion4 decks56 decks
6%synergy
Momentary Blink
7.1%inclusion4 decks56 decks
6%synergy
Arcane Denial
7.1%inclusion4 decks56 decks
0%synergy
Snap
7.1%inclusion4 decks56 decks
6%synergy
Sorceries
Farseek
29%inclusion16 decks56 decks
-15%synergy
Imperial Seal
27%inclusion15 decks56 decks
23%synergy
Gamble
25%inclusion14 decks56 decks
22%synergy
Reanimate
23%inclusion13 decks56 decks
19%synergy
Diabolic Intent
21%inclusion12 decks56 decks
18%synergy
Eerie Ultimatum
21%inclusion12 decks56 decks
14%synergy
Clash of the Eikons
21%inclusion11 decks53 decks
18%synergy
Resurgent Belief
20%inclusion11 decks56 decks
16%synergy
Culling Ritual
18%inclusion10 decks56 decks
15%synergy
Three Visits
16%inclusion9 decks56 decks
-7%synergy
Nature's Lore
16%inclusion9 decks56 decks
-10%synergy
Replenish
14%inclusion8 decks56 decks
12%synergy
Cultivate
14%inclusion8 decks56 decks
-20%synergy
Wheel of Fortune
14%inclusion8 decks56 decks
12%synergy
Avatar's Wrath
11%inclusion3 decks27 decks
5%synergy
Faithless Looting
11%inclusion6 decks56 decks
9%synergy
Demonic Counsel
11%inclusion6 decks56 decks
10%synergy
Rite of Flame
11%inclusion6 decks56 decks
9%synergy
Kodama's Reach
8.9%inclusion5 decks56 decks
-13%synergy
Rampant Growth
8.9%inclusion5 decks56 decks
-11%synergy
Extinguish All Hope
8.9%inclusion5 decks56 decks
6%synergy
Redress Fate
8.9%inclusion5 decks56 decks
7%synergy
Nature's Rhythm
7.1%inclusion4 decks56 decks
5%synergy
Eldritch Evolution
7.1%inclusion4 decks56 decks
5%synergy
Victimize
7.1%inclusion4 decks56 decks
6%synergy
Damning Verdict
7.1%inclusion4 decks56 decks
7%synergy
Persist
7.1%inclusion4 decks56 decks
7%synergy
Life from the Loam
7.1%inclusion4 decks56 decks
6%synergy
Beseech the Mirror
7.1%inclusion4 decks56 decks
6%synergy
Bala Ged Recovery
7.1%inclusion4 decks56 decks
5%synergy
Nibelheim Aflame
5.6%inclusion3 decks54 decks
5%synergy
Windfall
5.4%inclusion3 decks56 decks
3%synergy
Dread Return
5.4%inclusion3 decks56 decks
5%synergy
Neoform
5.4%inclusion3 decks56 decks
4%synergy
Finale of Devastation
5.4%inclusion3 decks56 decks
3%synergy
Blasphemous Act
5.4%inclusion3 decks56 decks
-7%synergy
Buried Alive
5.4%inclusion3 decks56 decks
4%synergy
Living Death
5.4%inclusion3 decks56 decks
4%synergy
Irenicus's Vile Duplication
5.4%inclusion3 decks56 decks
5%synergy
Damn
5.4%inclusion3 decks56 decks
3%synergy
Malevolent Rumble
5.4%inclusion3 decks56 decks
4%synergy
Rise of the Dark Realms
5.4%inclusion3 decks56 decks
4%synergy
Utility Artifacts
Wishclaw Talisman
23%inclusion13 decks56 decks
20%synergy
The One Ring
21%inclusion12 decks56 decks
13%synergy
Power Conduit
18%inclusion10 decks56 decks
16%synergy
Conjurer's Closet
16%inclusion9 decks56 decks
15%synergy
Summoner's Grimoire
13%inclusion7 decks56 decks
11%synergy
Crystal Fragments
9.4%inclusion5 decks53 decks
8%synergy
Lightning Greaves
7.1%inclusion4 decks56 decks
-10%synergy
Birthing Pod
7.1%inclusion4 decks56 decks
6%synergy
Panharmonicon
5.4%inclusion3 decks56 decks
2%synergy
Helm of the Host
5.4%inclusion3 decks56 decks
3%synergy
Enchantments
Teleportation Circle
34%inclusion19 decks56 decks
32%synergy
Touch the Spirit Realm
32%inclusion18 decks56 decks
31%synergy
Animate Dead
32%inclusion18 decks56 decks
30%synergy
Carpet of Flowers
27%inclusion15 decks56 decks
24%synergy
Wild Growth
25%inclusion14 decks56 decks
22%synergy
The Apprentice's Folly
25%inclusion14 decks56 decks
24%synergy
Sylvan Library
23%inclusion13 decks56 decks
18%synergy
Sterling Grove
21%inclusion12 decks56 decks
14%synergy
Food Chain
21%inclusion12 decks56 decks
20%synergy
Necromancy
21%inclusion12 decks56 decks
21%synergy
Estrid's Invocation
21%inclusion12 decks56 decks
19%synergy
Fable of the Mirror-Breaker
21%inclusion12 decks56 decks
20%synergy
Enchantress's Presence
20%inclusion11 decks56 decks
12%synergy
Utopia Sprawl
18%inclusion10 decks56 decks
15%synergy
Starfield of Nyx
18%inclusion10 decks56 decks
14%synergy
Necropotence
18%inclusion10 decks56 decks
16%synergy
Awaken the Honored Dead
16%inclusion9 decks56 decks
15%synergy
Nahiri's Resolve
14%inclusion8 decks56 decks
13%synergy
Ripples of Undeath
14%inclusion8 decks56 decks
14%synergy
Binding the Old Gods
13%inclusion7 decks56 decks
8%synergy
Hunting Grounds
11%inclusion6 decks56 decks
10%synergy
The Eldest Reborn
11%inclusion6 decks56 decks
7%synergy
Mirrormade
11%inclusion6 decks56 decks
9%synergy
Airbender Ascension
11%inclusion3 decks28 decks
5%synergy
Sphere of Safety
11%inclusion6 decks56 decks
5%synergy
There and Back Again
11%inclusion6 decks56 decks
7%synergy
Dance of the Dead
8.9%inclusion5 decks56 decks
9%synergy
Grasp of Fate
8.9%inclusion5 decks56 decks
8%synergy
Walk-In Closet // Forgotten Cellar
8.9%inclusion5 decks56 decks
7%synergy
Copy Enchantment
8.9%inclusion5 decks56 decks
8%synergy
Dress Down
8.9%inclusion5 decks56 decks
9%synergy
Fertile Ground
8.9%inclusion5 decks56 decks
4%synergy
Elemental Bond
8.9%inclusion5 decks56 decks
6%synergy
Temur Ascendancy
8.9%inclusion5 decks56 decks
-1%synergy
The Legend of Kyoshi
7.7%inclusion2 decks26 decks
4%synergy
The Meathook Massacre
7.1%inclusion4 decks56 decks
7%synergy
Strength of the Harvest
7.1%inclusion4 decks56 decks
6%synergy
Elspeth Conquers Death
7.1%inclusion4 decks56 decks
4%synergy
Trace of Abundance
7.1%inclusion4 decks56 decks
6%synergy
Parallel Lives
7.1%inclusion4 decks56 decks
4%synergy
Leyline of Anticipation
7.1%inclusion4 decks56 decks
5%synergy
Leyline Binding
7.1%inclusion4 decks56 decks
6%synergy
Chthonian Nightmare
7.1%inclusion4 decks56 decks
7%synergy
Black Market Connections
7.1%inclusion4 decks56 decks
2%synergy
Frostcliff Siege
7.1%inclusion4 decks56 decks
5%synergy
Virtue of Persistence
7.1%inclusion4 decks56 decks
7%synergy
Impostor Syndrome
6.3%inclusion2 decks32 decks
4%synergy
Survival of the Fittest
5.4%inclusion3 decks56 decks
4%synergy
Cacophony Unleashed
5.4%inclusion3 decks56 decks
5%synergy
Glacierwood Siege
5.4%inclusion3 decks56 decks
5%synergy
Planeswalkers
Teferi, Time Raveler
8.9%inclusion5 decks56 decks
6%synergy
Aminatou, the Fateshifter
5.4%inclusion3 decks56 decks
4%synergy
Utility Lands
Nesting Grounds
39%inclusion22 decks56 decks
36%synergy
Hall of Heliod's Generosity
30%inclusion17 decks56 decks
24%synergy
Boseiju, Who Endures
29%inclusion16 decks56 decks
18%synergy
Shifting Woodland
20%inclusion11 decks56 decks
18%synergy
Ishgard, the Holy See
18%inclusion10 decks56 decks
14%synergy
Otawara, Soaring City
16%inclusion9 decks56 decks
10%synergy
Multiversal Passage
10%inclusion4 decks42 decks
6%synergy
Mistrise Village
7.1%inclusion4 decks56 decks
4%synergy
Urza's Saga
7.1%inclusion4 decks56 decks
3%synergy
Gaea's Cradle
7.1%inclusion4 decks56 decks
3%synergy
Yavimaya, Cradle of Growth
7.1%inclusion4 decks56 decks
-3%synergy
Adagia, Windswept Bastion
6.8%inclusion3 decks44 decks
5%synergy
Serra's Sanctum
5.4%inclusion3 decks56 decks
4%synergy
Emergence Zone
5.4%inclusion3 decks56 decks
4%synergy
Rogue's Passage
5.4%inclusion3 decks56 decks
-1%synergy
Mana Artifacts
Sol Ring
84%inclusion47 decks56 decks
4%synergy
Arcane Signet
73%inclusion41 decks56 decks
-2%synergy
Fellwar Stone
34%inclusion19 decks56 decks
3%synergy
Lotus Petal
32%inclusion18 decks56 decks
25%synergy
Chrome Mox
27%inclusion15 decks56 decks
20%synergy
Mox Diamond
27%inclusion15 decks56 decks
21%synergy
Mana Vault
25%inclusion14 decks56 decks
18%synergy
Mox Amber
25%inclusion14 decks56 decks
19%synergy
Chromatic Lantern
23%inclusion13 decks56 decks
-27%synergy
Mox Opal
14%inclusion8 decks56 decks
11%synergy
Talisman of Dominance
7.1%inclusion4 decks56 decks
2%synergy
Lands
Command Tower
96%inclusion54 decks56 decks
8%synergy
Exotic Orchard
73%inclusion41 decks56 decks
11%synergy
Misty Rainforest
68%inclusion38 decks56 decks
41%synergy
City of Brass
66%inclusion37 decks56 decks
47%synergy
Wooded Foothills
64%inclusion36 decks56 decks
38%synergy
Windswept Heath
63%inclusion35 decks56 decks
35%synergy
Verdant Catacombs
63%inclusion35 decks56 decks
37%synergy
Forest
63%inclusion35 decks56 decks
-18%synergy
Plains
63%inclusion35 decks56 decks
-15%synergy
Mana Confluence
61%inclusion34 decks56 decks
42%synergy
Mountain
59%inclusion33 decks56 decks
-18%synergy
Stomping Ground
57%inclusion32 decks56 decks
27%synergy
Island
57%inclusion32 decks56 decks
-22%synergy
Flooded Strand
57%inclusion32 decks56 decks
32%synergy
Breeding Pool
55%inclusion31 decks56 decks
25%synergy
Overgrown Tomb
52%inclusion29 decks56 decks
23%synergy
Marsh Flats
52%inclusion29 decks56 decks
29%synergy
Hallowed Fountain
52%inclusion29 decks56 decks
26%synergy
Bloodstained Mire
52%inclusion29 decks56 decks
30%synergy
Swamp
50%inclusion28 decks56 decks
-25%synergy
Scalding Tarn
50%inclusion28 decks56 decks
27%synergy
Polluted Delta
48%inclusion27 decks56 decks
25%synergy
Temple Garden
48%inclusion27 decks56 decks
19%synergy
Sacred Foundry
46%inclusion26 decks56 decks
23%synergy
Watery Grave
45%inclusion25 decks56 decks
21%synergy
Godless Shrine
43%inclusion24 decks56 decks
18%synergy
Arid Mesa
43%inclusion24 decks56 decks
21%synergy
Steam Vents
41%inclusion23 decks56 decks
17%synergy
Starting Town
38%inclusion21 decks56 decks
29%synergy
Blood Crypt
32%inclusion18 decks56 decks
11%synergy
Gemstone Caverns
32%inclusion18 decks56 decks
26%synergy
Underground Sea
29%inclusion16 decks56 decks
16%synergy
Savannah
29%inclusion16 decks56 decks
16%synergy
Tropical Island
27%inclusion15 decks56 decks
14%synergy
Path of Ancestry
27%inclusion15 decks56 decks
-17%synergy
Bayou
27%inclusion15 decks56 decks
14%synergy
Tundra
25%inclusion14 decks56 decks
13%synergy
Taiga
25%inclusion14 decks56 decks
12%synergy
Reflecting Pool
25%inclusion14 decks56 decks
9%synergy
Volcanic Island
25%inclusion14 decks56 decks
13%synergy
Scrubland
23%inclusion13 decks56 decks
11%synergy
Spara's Headquarters
21%inclusion12 decks56 decks
1%synergy
The World Tree
21%inclusion12 decks56 decks
-6%synergy
Indatha Triome
21%inclusion12 decks56 decks
0%synergy
Fabled Passage
20%inclusion11 decks56 decks
12%synergy
Badlands
18%inclusion10 decks56 decks
7%synergy
Zagoth Triome
18%inclusion10 decks56 decks
-3%synergy
Bountiful Promenade
16%inclusion9 decks56 decks
10%synergy
Jetmir's Garden
16%inclusion9 decks56 decks
-4%synergy
Evolving Wilds
14%inclusion8 decks56 decks
-6%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