Knowledge Pool
Colfenor's Plans
Harmless Offering

   Prerequisites

What do I need to start this combo?
Harmless Offering in hand.
Knowledge Pool and Colfenor's Plans on the battlefield.
2 available

   Steps

How does this combo work?
1
Cast Harmless Offering by paying 2, giving control of Colfenor's Plans to an opponent.
2
Whenever the opponent that controls Colfenor's Plans casts a spell from their hand, Knowledge Pool triggers, exiling that spell.
3
Because Colfenor's Plans prevents the opponent from casting more than one spell each turn, the opponent cannot cast the spell permitted by Knowledge Pool, or any other spell that turn.

   Results

What do I get from this combo?
Exile all spells target opponent casts from their hand
Target opponent can only cast one spell per turn
Target opponent skips their draw step
Lock
Blim, Comedic Genius
0.5%inclusion26 decks5.68K decks
Codie, Vociferous Codex
0.0%inclusion2 decks8.46K decks
Rakdos, the Showstopper
0.1%inclusion1 decks1.34K decks
Tymna the Weaver // Vial Smasher the Fierce
0.4%inclusion1 decks276 decks
Sauron, the Dark Lord
0.0%inclusion1 decks34.9K decks
Mairsil, the Pretender
0.0%inclusion1 decks2.14K decks
Child of Alara
0.0%inclusion1 decks10.6K decks
High Synergy Cards
Donate
100%inclusion5 decks5 decks
100%synergy
Puca's Mischief
100%inclusion5 decks5 decks
100%synergy
Demonic Pact
85%inclusion28 decks33 decks
85%synergy
Bazaar Trader
85%inclusion28 decks33 decks
84%synergy
Wrong Turn
80%inclusion4 decks5 decks
79%synergy
Role Reversal
80%inclusion4 decks5 decks
79%synergy
Nefarious Lich
79%inclusion26 decks33 decks
79%synergy
Demonic Lore
73%inclusion24 decks33 decks
73%synergy
Immortal Coil
70%inclusion23 decks33 decks
70%synergy
Fateful Handoff
70%inclusion23 decks33 decks
69%synergy
Top Cards
Archfiend of the Dross
70%inclusion23 decks33 decks
69%synergy
Xantcha, Sleeper Agent
70%inclusion23 decks33 decks
68%synergy
Forbidden Crypt
64%inclusion21 decks33 decks
64%synergy
Chaos Warp
64%inclusion21 decks33 decks
35%synergy
Steel Golem
61%inclusion20 decks33 decks
60%synergy
Lich's Mastery
61%inclusion20 decks33 decks
60%synergy
Abyssal Persecutor
61%inclusion20 decks33 decks
60%synergy
Humble Defector
61%inclusion20 decks33 decks
59%synergy
Aggressive Mining
58%inclusion19 decks33 decks
57%synergy
Midnight Oil
55%inclusion18 decks33 decks
54%synergy
Game Changers
Demonic Tutor
24%inclusion8 decks33 decks
5%synergy
Vampiric Tutor
18%inclusion6 decks33 decks
4%synergy
Gamble
15%inclusion5 decks33 decks
6%synergy
Tergrid, God of Fright
12%inclusion4 decks33 decks
10%synergy
Ancient Tomb
12%inclusion4 decks33 decks
3%synergy
Jeska's Will
12%inclusion4 decks33 decks
-3%synergy
Imperial Seal
9.1%inclusion3 decks33 decks
4%synergy
The One Ring
9.1%inclusion3 decks33 decks
1%synergy
Creatures
Zedruu the Greathearted
100%inclusion3 decks3 decks
100%synergy
Grid Monitor
55%inclusion18 decks33 decks
54%synergy
Rust Elemental
55%inclusion18 decks33 decks
54%synergy
Demonic Taskmaster
52%inclusion17 decks33 decks
51%synergy
Akroan Horse
52%inclusion17 decks33 decks
51%synergy
Plague Reaver
48%inclusion16 decks33 decks
48%synergy
Sleeper Agent
45%inclusion15 decks33 decks
45%synergy
Ebon Drake
45%inclusion15 decks33 decks
45%synergy
Khârn the Betrayer
39%inclusion13 decks33 decks
39%synergy
Master of the Feast
36%inclusion12 decks33 decks
36%synergy
Alexios, Deimos of Kosmos
33%inclusion11 decks33 decks
31%synergy
Priest of the Blood Rite
27%inclusion9 decks33 decks
27%synergy
Goldnight Castigator
27%inclusion9 decks33 decks
27%synergy
Wretched Anurid
27%inclusion9 decks33 decks
27%synergy
Phyrexian Negator
24%inclusion8 decks33 decks
24%synergy
Sangromancer
24%inclusion8 decks33 decks
23%synergy
Kain, Traitorous Dragoon
22%inclusion4 decks18 decks
22%synergy
Evil Eye of Orms-by-Gore
21%inclusion7 decks33 decks
21%synergy
Silent Arbiter
21%inclusion7 decks33 decks
20%synergy
Treasure Nabber
21%inclusion7 decks33 decks
19%synergy
Bronze Bombshell
18%inclusion6 decks33 decks
18%synergy
Vislor Turlough
18%inclusion6 decks33 decks
18%synergy
Goblin Cadets
18%inclusion6 decks33 decks
18%synergy
Dauthi Trapper
15%inclusion5 decks33 decks
15%synergy
Cinder Giant
15%inclusion5 decks33 decks
15%synergy
Blim, Comedic Genius
15%inclusion5 decks33 decks
15%synergy
Kazuul, Tyrant of the Cliffs
15%inclusion5 decks33 decks
13%synergy
Vilis, Broker of Blood
15%inclusion5 decks33 decks
12%synergy
Kardur, Doomscourge
15%inclusion5 decks33 decks
9%synergy
Tinybones, Bauble Burglar
14%inclusion4 decks29 decks
13%synergy
Razorkin Needlehead
14%inclusion4 decks29 decks
11%synergy
Evil Eye of Urborg
12%inclusion4 decks33 decks
12%synergy
Phage the Untouchable
12%inclusion4 decks33 decks
12%synergy
Kederekt Parasite
12%inclusion4 decks33 decks
11%synergy
Fate Unraveler
12%inclusion4 decks33 decks
10%synergy
Lizard Blades
12%inclusion4 decks33 decks
10%synergy
Stormfist Crusader
12%inclusion4 decks33 decks
8%synergy
Sheoldred, the Apocalypse
12%inclusion4 decks33 decks
7%synergy
Avaricious Dragon
9.1%inclusion3 decks33 decks
9%synergy
Asmodeus the Archfiend
9.1%inclusion3 decks33 decks
9%synergy
Wall of Blood
9.1%inclusion3 decks33 decks
9%synergy
Platinum Angel
9.1%inclusion3 decks33 decks
8%synergy
Heartless Hidetsugu
9.1%inclusion3 decks33 decks
8%synergy
Magus of the Wheel
9.1%inclusion3 decks33 decks
6%synergy
Dauthi Voidwalker
9.1%inclusion3 decks33 decks
3%synergy
Instants
Rakdos Charm
45%inclusion15 decks33 decks
31%synergy
Terminate
42%inclusion14 decks33 decks
23%synergy
Dark Ritual
42%inclusion14 decks33 decks
17%synergy
Heartless Act
36%inclusion12 decks33 decks
36%synergy
Bedevil
36%inclusion12 decks33 decks
25%synergy
Deflecting Swat
30%inclusion10 decks33 decks
13%synergy
Tibalt's Trickery
24%inclusion8 decks33 decks
20%synergy
Chef's Kiss
18%inclusion6 decks33 decks
18%synergy
Bolt Bend
18%inclusion6 decks33 decks
13%synergy
Telim'Tor's Edict
15%inclusion5 decks33 decks
15%synergy
Temur Battle Rage
15%inclusion5 decks33 decks
13%synergy
Imp's Mischief
15%inclusion5 decks33 decks
11%synergy
Deadly Rollick
15%inclusion5 decks33 decks
1%synergy
Abrade
12%inclusion4 decks33 decks
1%synergy
Withering Torment
10%inclusion3 decks29 decks
3%synergy
Untimely Malfunction
10%inclusion3 decks29 decks
3%synergy
Offer Immortality
9.1%inclusion3 decks33 decks
9%synergy
Psychotic Fury
9.1%inclusion3 decks33 decks
8%synergy
Go for the Throat
9.1%inclusion3 decks33 decks
3%synergy
Sorceries
Fractured Identity
100%inclusion3 decks3 decks
98%synergy
Shifting Grift
60%inclusion3 decks5 decks
60%synergy
Blasphemous Act
45%inclusion15 decks33 decks
12%synergy
Feed the Swarm
30%inclusion10 decks33 decks
15%synergy
Scrambleverse
27%inclusion9 decks33 decks
27%synergy
Sign in Blood
27%inclusion9 decks33 decks
19%synergy
Thieves' Auction
21%inclusion7 decks33 decks
21%synergy
Vandalblast
21%inclusion7 decks33 decks
6%synergy
Disrupt Decorum
18%inclusion6 decks33 decks
15%synergy
Night's Whisper
18%inclusion6 decks33 decks
9%synergy
Read the Bones
15%inclusion5 decks33 decks
10%synergy
Last One Standing
12%inclusion4 decks33 decks
12%synergy
Wheel of Fortune
12%inclusion4 decks33 decks
7%synergy
Repay in Kind
9.1%inclusion3 decks33 decks
9%synergy
Faithless Looting
9.1%inclusion3 decks33 decks
-7%synergy
Toxic Deluge
9.1%inclusion3 decks33 decks
-9%synergy
Utility Artifacts
Pendant of Prosperity
52%inclusion17 decks33 decks
51%synergy
Whispersilk Cloak
52%inclusion17 decks33 decks
48%synergy
Despotic Scepter
42%inclusion14 decks33 decks
42%synergy
Lightning Greaves
42%inclusion14 decks33 decks
18%synergy
Swiftfoot Boots
42%inclusion14 decks33 decks
16%synergy
Hithlain Rope
36%inclusion12 decks33 decks
36%synergy
Geth's Grimoire
36%inclusion12 decks33 decks
36%synergy
Assault Suit
33%inclusion11 decks33 decks
33%synergy
Wishclaw Talisman
33%inclusion11 decks33 decks
28%synergy
Bucknard's Everfull Purse
30%inclusion10 decks33 decks
30%synergy
Jinxed Choker
21%inclusion7 decks33 decks
21%synergy
Lich's Tomb
18%inclusion6 decks33 decks
18%synergy
Crown of Doom
18%inclusion6 decks33 decks
18%synergy
Trailblazer's Boots
18%inclusion6 decks33 decks
16%synergy
Fireshrieker
15%inclusion5 decks33 decks
14%synergy
Shadowspear
15%inclusion5 decks33 decks
12%synergy
Jinxed Idol
12%inclusion4 decks33 decks
12%synergy
Cursed Recording
9.1%inclusion3 decks33 decks
9%synergy
Prowler's Helm
9.1%inclusion3 decks33 decks
9%synergy
Bloodthirsty Blade
9.1%inclusion3 decks33 decks
8%synergy
Crawlspace
9.1%inclusion3 decks33 decks
8%synergy
Enchantments
Moderation
100%inclusion3 decks3 decks
100%synergy
Nine Lives
75%inclusion3 decks4 decks
74%synergy
Illusions of Grandeur
60%inclusion3 decks5 decks
60%synergy
Greed's Gambit
55%inclusion18 decks33 decks
54%synergy
Captive Audience
52%inclusion17 decks33 decks
51%synergy
Waste Not
45%inclusion15 decks33 decks
43%synergy
Curse of Opulence
36%inclusion12 decks33 decks
32%synergy
Pyromancer's Swath
30%inclusion10 decks33 decks
30%synergy
Blood Funnel
27%inclusion9 decks33 decks
27%synergy
Endless Whispers
27%inclusion9 decks33 decks
27%synergy
Treacherous Blessing
27%inclusion9 decks33 decks
27%synergy
Oath of Lim-Dûl
24%inclusion8 decks33 decks
24%synergy
Confusion in the Ranks
24%inclusion8 decks33 decks
24%synergy
The Sibsig Ceremony
23%inclusion5 decks22 decks
22%synergy
Phyrexian Arena
21%inclusion7 decks33 decks
6%synergy
Custody Battle
18%inclusion6 decks33 decks
18%synergy
Smoke
15%inclusion5 decks33 decks
15%synergy
Underworld Dreams
15%inclusion5 decks33 decks
13%synergy
Lich
12%inclusion4 decks33 decks
12%synergy
Curse of Bloodletting
12%inclusion4 decks33 decks
12%synergy
Planar Chaos
12%inclusion4 decks33 decks
12%synergy
Maddening Hex
12%inclusion4 decks33 decks
11%synergy
Repercussion
12%inclusion4 decks33 decks
11%synergy
Blood Moon
12%inclusion4 decks33 decks
10%synergy
Descent into Avernus
12%inclusion4 decks33 decks
9%synergy
Grievous Wound
10%inclusion3 decks29 decks
9%synergy
Curse of Hospitality
9.1%inclusion3 decks33 decks
9%synergy
Fall of Cair Andros
9.1%inclusion3 decks33 decks
9%synergy
Share the Spoils
9.1%inclusion3 decks33 decks
9%synergy
Trespasser's Curse
9.1%inclusion3 decks33 decks
8%synergy
Possibility Storm
9.1%inclusion3 decks33 decks
8%synergy
Out of the Tombs
9.1%inclusion3 decks33 decks
8%synergy
Liliana's Caress
9.1%inclusion3 decks33 decks
8%synergy
Wound Reflection
9.1%inclusion3 decks33 decks
7%synergy
Planeswalkers
Ob Nixilis, the Hate-Twisted
12%inclusion4 decks33 decks
11%synergy
Artifacts
Sol Ring
91%inclusion30 decks33 decks
7%synergy
Arcane Signet
82%inclusion27 decks33 decks
10%synergy
Staff of Compleation
55%inclusion18 decks33 decks
53%synergy
Pendant of Prosperity
52%inclusion17 decks33 decks
51%synergy
Whispersilk Cloak
52%inclusion17 decks33 decks
48%synergy
Rakdos Signet
45%inclusion15 decks33 decks
22%synergy
Despotic Scepter
42%inclusion14 decks33 decks
42%synergy
Lightning Greaves
42%inclusion14 decks33 decks
18%synergy
Swiftfoot Boots
42%inclusion14 decks33 decks
16%synergy
Hithlain Rope
36%inclusion12 decks33 decks
36%synergy
Geth's Grimoire
36%inclusion12 decks33 decks
36%synergy
Talisman of Indulgence
36%inclusion12 decks33 decks
9%synergy
Assault Suit
33%inclusion11 decks33 decks
33%synergy
Wishclaw Talisman
33%inclusion11 decks33 decks
28%synergy
Bucknard's Everfull Purse
30%inclusion10 decks33 decks
30%synergy
Fellwar Stone
30%inclusion10 decks33 decks
10%synergy
Jinxed Choker
21%inclusion7 decks33 decks
21%synergy
Coveted Jewel
21%inclusion7 decks33 decks
20%synergy
Commander's Sphere
21%inclusion7 decks33 decks
10%synergy
Mind Stone
21%inclusion7 decks33 decks
7%synergy
Lich's Tomb
18%inclusion6 decks33 decks
18%synergy
Crown of Doom
18%inclusion6 decks33 decks
18%synergy
Trailblazer's Boots
18%inclusion6 decks33 decks
16%synergy
Fireshrieker
15%inclusion5 decks33 decks
14%synergy
Shadowspear
15%inclusion5 decks33 decks
12%synergy
Jinxed Idol
12%inclusion4 decks33 decks
12%synergy
Charcoal Diamond
12%inclusion4 decks33 decks
8%synergy
Fire Diamond
12%inclusion4 decks33 decks
8%synergy
Thought Vessel
12%inclusion4 decks33 decks
-5%synergy
Cursed Recording
9.1%inclusion3 decks33 decks
9%synergy
Prowler's Helm
9.1%inclusion3 decks33 decks
9%synergy
Bloodthirsty Blade
9.1%inclusion3 decks33 decks
8%synergy
Coldsteel Heart
9.1%inclusion3 decks33 decks
8%synergy
Crawlspace
9.1%inclusion3 decks33 decks
8%synergy
Chromatic Lantern
9.1%inclusion3 decks33 decks
1%synergy
Utility Lands
Rogue's Passage
52%inclusion17 decks33 decks
31%synergy
Bojuka Bog
45%inclusion15 decks33 decks
16%synergy
Shizo, Death's Storehouse
30%inclusion10 decks33 decks
26%synergy
Urborg, Tomb of Yawgmoth
27%inclusion9 decks33 decks
18%synergy
Cabal Coffers
18%inclusion6 decks33 decks
9%synergy
Kher Keep
15%inclusion5 decks33 decks
13%synergy
Reliquary Tower
15%inclusion5 decks33 decks
-15%synergy
Homeward Path
9.1%inclusion3 decks33 decks
8%synergy
Minas Morgul, Dark Fortress
9.1%inclusion3 decks33 decks
8%synergy
The Black Gate
9.1%inclusion3 decks33 decks
7%synergy
Castle Locthwain
9.1%inclusion3 decks33 decks
5%synergy
Temple of the False God
9.1%inclusion3 decks33 decks
0%synergy
Mana Artifacts
Sol Ring
91%inclusion30 decks33 decks
7%synergy
Arcane Signet
82%inclusion27 decks33 decks
10%synergy
Staff of Compleation
55%inclusion18 decks33 decks
53%synergy
Rakdos Signet
45%inclusion15 decks33 decks
22%synergy
Talisman of Indulgence
36%inclusion12 decks33 decks
9%synergy
Fellwar Stone
30%inclusion10 decks33 decks
10%synergy
Coveted Jewel
21%inclusion7 decks33 decks
20%synergy
Commander's Sphere
21%inclusion7 decks33 decks
10%synergy
Mind Stone
21%inclusion7 decks33 decks
7%synergy
Charcoal Diamond
12%inclusion4 decks33 decks
8%synergy
Fire Diamond
12%inclusion4 decks33 decks
8%synergy
Thought Vessel
12%inclusion4 decks33 decks
-5%synergy
Coldsteel Heart
9.1%inclusion3 decks33 decks
8%synergy
Chromatic Lantern
9.1%inclusion3 decks33 decks
1%synergy
Lands
Watery Grave
80%inclusion4 decks5 decks
38%synergy
Command Tower
79%inclusion26 decks33 decks
5%synergy
Blood Crypt
67%inclusion22 decks33 decks
28%synergy
Dragonskull Summit
64%inclusion21 decks33 decks
28%synergy
Xander's Lounge
60%inclusion3 decks5 decks
37%synergy
Steam Vents
60%inclusion3 decks5 decks
21%synergy
Luxury Suite
58%inclusion19 decks33 decks
34%synergy
Smoldering Marsh
55%inclusion18 decks33 decks
21%synergy
Rakdos Carnarium
48%inclusion16 decks33 decks
37%synergy
Tainted Peak
45%inclusion15 decks33 decks
34%synergy
Foreboding Ruins
42%inclusion14 decks33 decks
28%synergy
Exotic Orchard
42%inclusion14 decks33 decks
6%synergy
Graven Cairns
39%inclusion13 decks33 decks
29%synergy
Temple of Malice
39%inclusion13 decks33 decks
27%synergy
Haunted Ridge
33%inclusion11 decks33 decks
17%synergy
Sulfurous Springs
30%inclusion10 decks33 decks
6%synergy
Shadowblood Ridge
27%inclusion9 decks33 decks
15%synergy
Bloodstained Mire
24%inclusion8 decks33 decks
13%synergy
Blightstep Pathway
21%inclusion7 decks33 decks
14%synergy
Canyon Slough
21%inclusion7 decks33 decks
13%synergy
Blazemire Verge
21%inclusion6 decks29 decks
10%synergy
Evolving Wilds
15%inclusion5 decks33 decks
-5%synergy
Mount Doom
12%inclusion4 decks33 decks
7%synergy
Blackcleave Cliffs
12%inclusion4 decks33 decks
6%synergy
Bloodfell Caves
12%inclusion4 decks33 decks
5%synergy
Arid Mesa
12%inclusion4 decks33 decks
2%synergy
Raucous Theater
12%inclusion4 decks33 decks
2%synergy
Marsh Flats
12%inclusion4 decks33 decks
2%synergy
Badlands
12%inclusion4 decks33 decks
-1%synergy
Terramorphic Expanse
12%inclusion4 decks33 decks
-3%synergy
Reflecting Pool
9.1%inclusion3 decks33 decks
4%synergy
City of Brass
9.1%inclusion3 decks33 decks
1%synergy
Fabled Passage
9.1%inclusion3 decks33 decks
-1%synergy
Scalding Tarn
9.1%inclusion3 decks33 decks
-2%synergy
Verdant Catacombs
9.1%inclusion3 decks33 decks
-2%synergy
Myriad Landscape
9.1%inclusion3 decks33 decks
-6%synergy