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?
Lock
Exile all spells target opponent casts from their hand
Target opponent can only cast one spell per turn
Target opponent skips their draw step
Blim, Comedic Genius
0.5%inclusion24 decks4.68K decks
Codie, Vociferous Codex
0.0%inclusion1 decks6.97K decks
Garth One-Eye
0.0%inclusion1 decks4.88K decks
Mairsil, the Pretender
0.1%inclusion1 decks1.84K decks
Tymna the Weaver // Vial Smasher the Fierce
0.4%inclusion1 decks250 decks
Child of Alara
0.0%inclusion1 decks8.79K decks
Sauron, the Dark Lord
0.0%inclusion1 decks30.5K decks
High Synergy Cards
Donate
100%inclusion5 decks5 decks
100%synergy
Puca's Mischief
100%inclusion5 decks5 decks
100%synergy
Nine Lives
100%inclusion4 decks4 decks
99%synergy
Demonic Pact
87%inclusion26 decks30 decks
86%synergy
Bazaar Trader
87%inclusion26 decks30 decks
86%synergy
Demonic Lore
73%inclusion22 decks30 decks
73%synergy
Nefarious Lich
70%inclusion21 decks30 decks
70%synergy
Immortal Coil
70%inclusion21 decks30 decks
70%synergy
Xantcha, Sleeper Agent
70%inclusion21 decks30 decks
68%synergy
Fateful Handoff
67%inclusion20 decks30 decks
66%synergy
Top Cards
Archfiend of the Dross
67%inclusion20 decks30 decks
66%synergy
Abyssal Persecutor
67%inclusion20 decks30 decks
66%synergy
Humble Defector
67%inclusion20 decks30 decks
65%synergy
Chaos Warp
67%inclusion20 decks30 decks
37%synergy
Aggressive Mining
60%inclusion18 decks30 decks
60%synergy
Lich's Mastery
60%inclusion18 decks30 decks
60%synergy
Whispersilk Cloak
60%inclusion18 decks30 decks
56%synergy
Midnight Oil
57%inclusion17 decks30 decks
57%synergy
Grid Monitor
57%inclusion17 decks30 decks
56%synergy
Steel Golem
57%inclusion17 decks30 decks
56%synergy
Game Changers
The One Ring
10%inclusion3 decks30 decks
1%synergy
Ancient Tomb
10%inclusion3 decks30 decks
1%synergy
Vampiric Tutor
10%inclusion3 decks30 decks
-5%synergy
Demonic Tutor
10%inclusion3 decks30 decks
-10%synergy
Creatures
Zedruu the Greathearted
100%inclusion3 decks3 decks
100%synergy
Akroan Horse
53%inclusion16 decks30 decks
53%synergy
Demonic Taskmaster
50%inclusion15 decks30 decks
50%synergy
Plague Reaver
50%inclusion15 decks30 decks
50%synergy
Rust Elemental
47%inclusion14 decks30 decks
46%synergy
Sleeper Agent
43%inclusion13 decks30 decks
43%synergy
Ebon Drake
43%inclusion13 decks30 decks
43%synergy
Khârn the Betrayer
43%inclusion13 decks30 decks
43%synergy
Master of the Feast
37%inclusion11 decks30 decks
36%synergy
Priest of the Blood Rite
30%inclusion9 decks30 decks
30%synergy
Kain, Traitorous Dragoon
27%inclusion3 decks11 decks
27%synergy
Alexios, Deimos of Kosmos
27%inclusion7 decks26 decks
25%synergy
Goblin Cadets
27%inclusion8 decks30 decks
26%synergy
Goldnight Castigator
23%inclusion7 decks30 decks
23%synergy
Vislor Turlough
23%inclusion7 decks30 decks
23%synergy
Wretched Anurid
23%inclusion7 decks30 decks
23%synergy
Phyrexian Negator
23%inclusion7 decks30 decks
23%synergy
Sangromancer
23%inclusion7 decks30 decks
22%synergy
Bronze Bombshell
20%inclusion6 decks30 decks
20%synergy
Silent Arbiter
20%inclusion6 decks30 decks
19%synergy
Treasure Nabber
20%inclusion6 decks30 decks
18%synergy
Dauthi Trapper
17%inclusion5 decks30 decks
17%synergy
Blim, Comedic Genius
17%inclusion5 decks30 decks
17%synergy
Evil Eye of Orms-by-Gore
17%inclusion5 decks30 decks
16%synergy
Kazuul, Tyrant of the Cliffs
17%inclusion5 decks30 decks
15%synergy
Lizard Blades
17%inclusion5 decks30 decks
14%synergy
Razorkin Needlehead
14%inclusion3 decks22 decks
10%synergy
Cinder Giant
13%inclusion4 decks30 decks
13%synergy
Evil Eye of Urborg
13%inclusion4 decks30 decks
13%synergy
Avaricious Dragon
13%inclusion4 decks30 decks
13%synergy
Vilis, Broker of Blood
13%inclusion4 decks30 decks
10%synergy
Stormfist Crusader
13%inclusion4 decks30 decks
10%synergy
Sheoldred, the Apocalypse
13%inclusion4 decks30 decks
8%synergy
Kardur, Doomscourge
13%inclusion4 decks30 decks
7%synergy
Solemn Simulacrum
13%inclusion4 decks30 decks
0%synergy
Phage the Untouchable
10%inclusion3 decks30 decks
10%synergy
Platinum Angel
10%inclusion3 decks30 decks
9%synergy
Captivating Crew
10%inclusion3 decks30 decks
9%synergy
Kederekt Parasite
10%inclusion3 decks30 decks
8%synergy
Fate Unraveler
10%inclusion3 decks30 decks
8%synergy
Instants
Wrong Turn
60%inclusion3 decks5 decks
59%synergy
Terminate
43%inclusion13 decks30 decks
24%synergy
Bedevil
37%inclusion11 decks30 decks
24%synergy
Rakdos Charm
37%inclusion11 decks30 decks
22%synergy
Dark Ritual
37%inclusion11 decks30 decks
12%synergy
Heartless Act
23%inclusion7 decks30 decks
23%synergy
Deflecting Swat
23%inclusion7 decks30 decks
7%synergy
Bolt Bend
20%inclusion6 decks30 decks
16%synergy
Tibalt's Trickery
20%inclusion6 decks30 decks
15%synergy
Telim'Tor's Edict
17%inclusion5 decks30 decks
17%synergy
Chef's Kiss
17%inclusion5 decks30 decks
16%synergy
Imp's Mischief
17%inclusion5 decks30 decks
13%synergy
Untimely Malfunction
14%inclusion3 decks22 decks
6%synergy
Big Score
13%inclusion4 decks30 decks
3%synergy
Stunning Reversal
10%inclusion3 decks30 decks
10%synergy
Psychotic Fury
10%inclusion3 decks30 decks
9%synergy
Wild Ricochet
10%inclusion3 decks30 decks
9%synergy
Temur Battle Rage
10%inclusion3 decks30 decks
8%synergy
Not Dead After All
10%inclusion3 decks30 decks
7%synergy
Go for the Throat
10%inclusion3 decks30 decks
3%synergy
Deadly Dispute
10%inclusion3 decks30 decks
-2%synergy
Deadly Rollick
10%inclusion3 decks30 decks
-3%synergy
Sorceries
Fractured Identity
100%inclusion3 decks3 decks
98%synergy
Shifting Grift
75%inclusion3 decks4 decks
74%synergy
Shifting Loyalties
60%inclusion3 decks5 decks
60%synergy
Role Reversal
60%inclusion3 decks5 decks
59%synergy
Blasphemous Act
50%inclusion15 decks30 decks
17%synergy
Scrambleverse
40%inclusion12 decks30 decks
40%synergy
Thieves' Auction
33%inclusion10 decks30 decks
33%synergy
Feed the Swarm
30%inclusion9 decks30 decks
14%synergy
Sign in Blood
23%inclusion7 decks30 decks
14%synergy
Disrupt Decorum
20%inclusion6 decks30 decks
17%synergy
Vandalblast
20%inclusion6 decks30 decks
4%synergy
Illicit Auction
13%inclusion4 decks30 decks
13%synergy
Last One Standing
13%inclusion4 decks30 decks
13%synergy
Night's Whisper
13%inclusion4 decks30 decks
4%synergy
Faithless Looting
13%inclusion4 decks30 decks
-3%synergy
Scheming Symmetry
10%inclusion3 decks30 decks
8%synergy
Wheel of Fortune
10%inclusion3 decks30 decks
5%synergy
Read the Bones
10%inclusion3 decks30 decks
4%synergy
Damnation
10%inclusion3 decks30 decks
3%synergy
Utility Artifacts
Pendant of Prosperity
50%inclusion15 decks30 decks
50%synergy
Swiftfoot Boots
50%inclusion15 decks30 decks
23%synergy
Geth's Grimoire
43%inclusion13 decks30 decks
43%synergy
Lightning Greaves
40%inclusion12 decks30 decks
15%synergy
Hithlain Rope
37%inclusion11 decks30 decks
36%synergy
Bucknard's Everfull Purse
37%inclusion11 decks30 decks
36%synergy
Wishclaw Talisman
33%inclusion10 decks30 decks
28%synergy
Despotic Scepter
27%inclusion8 decks30 decks
27%synergy
Jinxed Choker
23%inclusion7 decks30 decks
23%synergy
Crown of Doom
23%inclusion7 decks30 decks
23%synergy
Assault Suit
23%inclusion7 decks30 decks
23%synergy
Trailblazer's Boots
20%inclusion6 decks30 decks
18%synergy
Lich's Tomb
17%inclusion5 decks30 decks
17%synergy
Shadowspear
17%inclusion5 decks30 decks
13%synergy
Bloodthirsty Blade
13%inclusion4 decks30 decks
13%synergy
Fireshrieker
13%inclusion4 decks30 decks
12%synergy
Howling Mine
13%inclusion4 decks30 decks
11%synergy
Brotherhood Regalia
12%inclusion3 decks26 decks
9%synergy
Avarice Totem
10%inclusion3 decks30 decks
10%synergy
Timesifter
10%inclusion3 decks30 decks
10%synergy
Jinxed Idol
10%inclusion3 decks30 decks
10%synergy
Omen Machine
10%inclusion3 decks30 decks
10%synergy
Prowler's Helm
10%inclusion3 decks30 decks
9%synergy
Crawlspace
10%inclusion3 decks30 decks
9%synergy
Key to the City
10%inclusion3 decks30 decks
9%synergy
Enchantments
Captive Audience
57%inclusion17 decks30 decks
56%synergy
Forbidden Crypt
53%inclusion16 decks30 decks
53%synergy
Greed's Gambit
50%inclusion13 decks26 decks
50%synergy
Waste Not
47%inclusion14 decks30 decks
44%synergy
Pyromancer's Swath
37%inclusion11 decks30 decks
37%synergy
Confusion in the Ranks
33%inclusion10 decks30 decks
33%synergy
Curse of Opulence
33%inclusion10 decks30 decks
30%synergy
Blood Funnel
30%inclusion9 decks30 decks
30%synergy
Endless Whispers
27%inclusion8 decks30 decks
27%synergy
Treacherous Blessing
27%inclusion8 decks30 decks
26%synergy
Oath of Lim-Dûl
23%inclusion7 decks30 decks
23%synergy
Possibility Storm
20%inclusion6 decks30 decks
19%synergy
Phyrexian Arena
20%inclusion6 decks30 decks
4%synergy
Custody Battle
17%inclusion5 decks30 decks
17%synergy
Planar Chaos
17%inclusion5 decks30 decks
16%synergy
Smoke
17%inclusion5 decks30 decks
16%synergy
Share the Spoils
17%inclusion5 decks30 decks
16%synergy
Maddening Hex
13%inclusion4 decks30 decks
12%synergy
Underworld Dreams
13%inclusion4 decks30 decks
11%synergy
Blood Moon
13%inclusion4 decks30 decks
11%synergy
Risky Move
10%inclusion3 decks30 decks
10%synergy
Grip of Chaos
10%inclusion3 decks30 decks
10%synergy
Curse of Hospitality
10%inclusion3 decks30 decks
10%synergy
Curse of Bloodletting
10%inclusion3 decks30 decks
10%synergy
Trespasser's Curse
10%inclusion3 decks30 decks
9%synergy
Repercussion
10%inclusion3 decks30 decks
9%synergy
Liliana's Caress
10%inclusion3 decks30 decks
9%synergy
Wound Reflection
10%inclusion3 decks30 decks
8%synergy
Descent into Avernus
10%inclusion3 decks30 decks
7%synergy
Planeswalkers
Ob Nixilis, the Hate-Twisted
10%inclusion3 decks30 decks
9%synergy
Utility Lands
Rogue's Passage
50%inclusion15 decks30 decks
30%synergy
Bojuka Bog
47%inclusion14 decks30 decks
17%synergy
Shizo, Death's Storehouse
27%inclusion8 decks30 decks
22%synergy
Cabal Coffers
23%inclusion7 decks30 decks
14%synergy
Urborg, Tomb of Yawgmoth
20%inclusion6 decks30 decks
11%synergy
The Black Gate
17%inclusion5 decks30 decks
14%synergy
Homeward Path
13%inclusion4 decks30 decks
12%synergy
Castle Locthwain
13%inclusion4 decks30 decks
9%synergy
Reliquary Tower
13%inclusion4 decks30 decks
-17%synergy
Minas Morgul, Dark Fortress
10%inclusion3 decks30 decks
8%synergy
Kher Keep
10%inclusion3 decks30 decks
8%synergy
Temple of the False God
10%inclusion3 decks30 decks
1%synergy
Mana Artifacts
Sol Ring
93%inclusion28 decks30 decks
10%synergy
Arcane Signet
80%inclusion24 decks30 decks
8%synergy
Rakdos Signet
50%inclusion15 decks30 decks
24%synergy
Staff of Compleation
37%inclusion11 decks30 decks
36%synergy
Fellwar Stone
37%inclusion11 decks30 decks
16%synergy
Commander's Sphere
33%inclusion10 decks30 decks
21%synergy
Talisman of Indulgence
30%inclusion9 decks30 decks
2%synergy
Coveted Jewel
23%inclusion7 decks30 decks
22%synergy
Mind Stone
23%inclusion7 decks30 decks
8%synergy
Charcoal Diamond
13%inclusion4 decks30 decks
9%synergy
Fire Diamond
13%inclusion4 decks30 decks
9%synergy
Coldsteel Heart
10%inclusion3 decks30 decks
9%synergy
Thought Vessel
10%inclusion3 decks30 decks
-8%synergy
Lands
Command Tower
83%inclusion25 decks30 decks
9%synergy
Savai Triome
75%inclusion3 decks4 decks
50%synergy
Xander's Lounge
60%inclusion3 decks5 decks
36%synergy
Dragonskull Summit
60%inclusion18 decks30 decks
26%synergy
Watery Grave
60%inclusion3 decks5 decks
19%synergy
Smoldering Marsh
57%inclusion17 decks30 decks
23%synergy
Blood Crypt
57%inclusion17 decks30 decks
19%synergy
Luxury Suite
53%inclusion16 decks30 decks
29%synergy
Tainted Peak
47%inclusion14 decks30 decks
35%synergy
Exotic Orchard
47%inclusion14 decks30 decks
10%synergy
Graven Cairns
43%inclusion13 decks30 decks
34%synergy
Foreboding Ruins
43%inclusion13 decks30 decks
28%synergy
Rakdos Carnarium
37%inclusion11 decks30 decks
24%synergy
Sulfurous Springs
37%inclusion11 decks30 decks
13%synergy
Temple of Malice
33%inclusion10 decks30 decks
20%synergy
Haunted Ridge
33%inclusion10 decks30 decks
16%synergy
Shadowblood Ridge
30%inclusion9 decks30 decks
17%synergy
Blazemire Verge
27%inclusion6 decks22 decks
16%synergy
Canyon Slough
23%inclusion7 decks30 decks
15%synergy
Blightstep Pathway
23%inclusion7 decks30 decks
15%synergy
Bloodstained Mire
20%inclusion6 decks30 decks
9%synergy
Terramorphic Expanse
17%inclusion5 decks30 decks
2%synergy
Blackcleave Cliffs
13%inclusion4 decks30 decks
7%synergy
Raucous Theater
13%inclusion4 decks30 decks
3%synergy
Arid Mesa
13%inclusion4 decks30 decks
3%synergy
Marsh Flats
13%inclusion4 decks30 decks
3%synergy
Evolving Wilds
13%inclusion4 decks30 decks
-7%synergy
Reflecting Pool
10%inclusion3 decks30 decks
5%synergy
Mount Doom
10%inclusion3 decks30 decks
4%synergy
Bloodfell Caves
10%inclusion3 decks30 decks
3%synergy
City of Brass
10%inclusion3 decks30 decks
3%synergy
Scalding Tarn
10%inclusion3 decks30 decks
-1%synergy
Verdant Catacombs
10%inclusion3 decks30 decks
-1%synergy
Badlands
10%inclusion3 decks30 decks
-3%synergy