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
0.4%inclusion23 decks5.17K decks
Codie, Vociferous Codex
0.0%inclusion1 decks7.22K decks
Mairsil, the Pretender
0.1%inclusion1 decks1.92K decks
Tymna the Weaver // Vial Smasher the Fierce
0.4%inclusion1 decks254 decks
Child of Alara
0.0%inclusion1 decks9.60K decks
Sauron, the Dark Lord
0.0%inclusion1 decks31.5K decks
Rakdos, the Showstopper
0.1%inclusion1 decks1.27K decks
High Synergy Cards
Donate
100%inclusion4 decks4 decks
100%synergy
Puca's Mischief
100%inclusion4 decks4 decks
100%synergy
Demonic Pact
86%inclusion25 decks29 decks
86%synergy
Bazaar Trader
86%inclusion25 decks29 decks
86%synergy
Nefarious Lich
83%inclusion24 decks29 decks
83%synergy
Demonic Lore
69%inclusion20 decks29 decks
69%synergy
Fateful Handoff
69%inclusion20 decks29 decks
69%synergy
Lich's Mastery
69%inclusion20 decks29 decks
69%synergy
Archfiend of the Dross
69%inclusion20 decks29 decks
69%synergy
Xantcha, Sleeper Agent
69%inclusion20 decks29 decks
67%synergy
Top Cards
Immortal Coil
66%inclusion19 decks29 decks
65%synergy
Abyssal Persecutor
66%inclusion19 decks29 decks
65%synergy
Forbidden Crypt
62%inclusion18 decks29 decks
62%synergy
Humble Defector
62%inclusion18 decks29 decks
60%synergy
Chaos Warp
62%inclusion18 decks29 decks
33%synergy
Steel Golem
59%inclusion17 decks29 decks
58%synergy
Akroan Horse
59%inclusion17 decks29 decks
58%synergy
Whispersilk Cloak
55%inclusion16 decks29 decks
52%synergy
Midnight Oil
52%inclusion15 decks29 decks
52%synergy
Greed's Gambit
52%inclusion15 decks29 decks
52%synergy
Game Changers
Demonic Tutor
24%inclusion7 decks29 decks
5%synergy
Gamble
17%inclusion5 decks29 decks
8%synergy
Vampiric Tutor
17%inclusion5 decks29 decks
3%synergy
Tergrid, God of Fright
14%inclusion4 decks29 decks
12%synergy
Ancient Tomb
14%inclusion4 decks29 decks
4%synergy
Jeska's Will
14%inclusion4 decks29 decks
-1%synergy
The One Ring
10%inclusion3 decks29 decks
2%synergy
Creatures
Grid Monitor
52%inclusion15 decks29 decks
52%synergy
Rust Elemental
52%inclusion15 decks29 decks
52%synergy
Demonic Taskmaster
48%inclusion14 decks29 decks
48%synergy
Sleeper Agent
45%inclusion13 decks29 decks
45%synergy
Plague Reaver
45%inclusion13 decks29 decks
44%synergy
Ebon Drake
41%inclusion12 decks29 decks
41%synergy
Khârn the Betrayer
41%inclusion12 decks29 decks
41%synergy
Master of the Feast
38%inclusion11 decks29 decks
37%synergy
Priest of the Blood Rite
28%inclusion8 decks29 decks
27%synergy
Goldnight Castigator
24%inclusion7 decks29 decks
24%synergy
Phyrexian Negator
24%inclusion7 decks29 decks
24%synergy
Sangromancer
24%inclusion7 decks29 decks
22%synergy
Treasure Nabber
24%inclusion7 decks29 decks
22%synergy
Alexios, Deimos of Kosmos
24%inclusion7 decks29 decks
22%synergy
Kain, Traitorous Dragoon
21%inclusion3 decks14 decks
21%synergy
Goblin Cadets
21%inclusion6 decks29 decks
21%synergy
Wretched Anurid
21%inclusion6 decks29 decks
20%synergy
Silent Arbiter
21%inclusion6 decks29 decks
19%synergy
Bronze Bombshell
17%inclusion5 decks29 decks
17%synergy
Vislor Turlough
17%inclusion5 decks29 decks
17%synergy
Evil Eye of Orms-by-Gore
17%inclusion5 decks29 decks
17%synergy
Vilis, Broker of Blood
17%inclusion5 decks29 decks
14%synergy
Razorkin Needlehead
16%inclusion4 decks25 decks
13%synergy
Dauthi Trapper
14%inclusion4 decks29 decks
14%synergy
Blim, Comedic Genius
14%inclusion4 decks29 decks
14%synergy
Kederekt Parasite
14%inclusion4 decks29 decks
12%synergy
Kazuul, Tyrant of the Cliffs
14%inclusion4 decks29 decks
12%synergy
Fate Unraveler
14%inclusion4 decks29 decks
12%synergy
Lizard Blades
14%inclusion4 decks29 decks
11%synergy
Stormfist Crusader
14%inclusion4 decks29 decks
10%synergy
Sheoldred, the Apocalypse
14%inclusion4 decks29 decks
9%synergy
Tinybones, Bauble Burglar
12%inclusion3 decks25 decks
11%synergy
Cinder Giant
10%inclusion3 decks29 decks
10%synergy
Evil Eye of Urborg
10%inclusion3 decks29 decks
10%synergy
Avaricious Dragon
10%inclusion3 decks29 decks
10%synergy
Phage the Untouchable
10%inclusion3 decks29 decks
10%synergy
Wall of Blood
10%inclusion3 decks29 decks
10%synergy
Platinum Angel
10%inclusion3 decks29 decks
9%synergy
Heartless Hidetsugu
10%inclusion3 decks29 decks
9%synergy
Magus of the Wheel
10%inclusion3 decks29 decks
7%synergy
Kardur, Doomscourge
10%inclusion3 decks29 decks
4%synergy
Dauthi Voidwalker
10%inclusion3 decks29 decks
4%synergy
Instants
Wrong Turn
75%inclusion3 decks4 decks
74%synergy
Dark Ritual
45%inclusion13 decks29 decks
20%synergy
Rakdos Charm
41%inclusion12 decks29 decks
27%synergy
Terminate
38%inclusion11 decks29 decks
19%synergy
Heartless Act
34%inclusion10 decks29 decks
34%synergy
Bedevil
34%inclusion10 decks29 decks
23%synergy
Deflecting Swat
31%inclusion9 decks29 decks
14%synergy
Tibalt's Trickery
24%inclusion7 decks29 decks
19%synergy
Telim'Tor's Edict
17%inclusion5 decks29 decks
17%synergy
Chef's Kiss
17%inclusion5 decks29 decks
17%synergy
Bolt Bend
17%inclusion5 decks29 decks
13%synergy
Temur Battle Rage
14%inclusion4 decks29 decks
11%synergy
Imp's Mischief
14%inclusion4 decks29 decks
10%synergy
Deadly Rollick
14%inclusion4 decks29 decks
0%synergy
Psychotic Fury
10%inclusion3 decks29 decks
10%synergy
Go for the Throat
10%inclusion3 decks29 decks
4%synergy
Sorceries
Shifting Grift
75%inclusion3 decks4 decks
74%synergy
Role Reversal
75%inclusion3 decks4 decks
74%synergy
Blasphemous Act
41%inclusion12 decks29 decks
8%synergy
Feed the Swarm
31%inclusion9 decks29 decks
15%synergy
Scrambleverse
28%inclusion8 decks29 decks
27%synergy
Sign in Blood
24%inclusion7 decks29 decks
15%synergy
Thieves' Auction
21%inclusion6 decks29 decks
20%synergy
Vandalblast
21%inclusion6 decks29 decks
5%synergy
Last One Standing
14%inclusion4 decks29 decks
13%synergy
Disrupt Decorum
14%inclusion4 decks29 decks
10%synergy
Wheel of Fortune
14%inclusion4 decks29 decks
9%synergy
Read the Bones
14%inclusion4 decks29 decks
8%synergy
Night's Whisper
14%inclusion4 decks29 decks
5%synergy
Repay in Kind
10%inclusion3 decks29 decks
10%synergy
Faithless Looting
10%inclusion3 decks29 decks
-5%synergy
Utility Artifacts
Pendant of Prosperity
48%inclusion14 decks29 decks
48%synergy
Lightning Greaves
45%inclusion13 decks29 decks
20%synergy
Swiftfoot Boots
45%inclusion13 decks29 decks
18%synergy
Despotic Scepter
38%inclusion11 decks29 decks
38%synergy
Hithlain Rope
38%inclusion11 decks29 decks
38%synergy
Geth's Grimoire
38%inclusion11 decks29 decks
37%synergy
Wishclaw Talisman
38%inclusion11 decks29 decks
33%synergy
Bucknard's Everfull Purse
34%inclusion10 decks29 decks
34%synergy
Assault Suit
28%inclusion8 decks29 decks
27%synergy
Jinxed Choker
21%inclusion6 decks29 decks
21%synergy
Crown of Doom
21%inclusion6 decks29 decks
21%synergy
Lich's Tomb
17%inclusion5 decks29 decks
17%synergy
Fireshrieker
17%inclusion5 decks29 decks
16%synergy
Trailblazer's Boots
17%inclusion5 decks29 decks
15%synergy
Shadowspear
17%inclusion5 decks29 decks
14%synergy
Jinxed Idol
10%inclusion3 decks29 decks
10%synergy
Bloodthirsty Blade
10%inclusion3 decks29 decks
10%synergy
Enchantments
Nine Lives
100%inclusion3 decks3 decks
99%synergy
Aggressive Mining
52%inclusion15 decks29 decks
51%synergy
Captive Audience
52%inclusion15 decks29 decks
51%synergy
Waste Not
48%inclusion14 decks29 decks
46%synergy
Curse of Opulence
34%inclusion10 decks29 decks
31%synergy
Pyromancer's Swath
31%inclusion9 decks29 decks
31%synergy
Blood Funnel
28%inclusion8 decks29 decks
27%synergy
Endless Whispers
28%inclusion8 decks29 decks
27%synergy
Treacherous Blessing
28%inclusion8 decks29 decks
27%synergy
Oath of Lim-Dûl
24%inclusion7 decks29 decks
24%synergy
Confusion in the Ranks
24%inclusion7 decks29 decks
24%synergy
Phyrexian Arena
24%inclusion7 decks29 decks
9%synergy
The Sibsig Ceremony
22%inclusion4 decks18 decks
22%synergy
Custody Battle
21%inclusion6 decks29 decks
21%synergy
Smoke
17%inclusion5 decks29 decks
17%synergy
Underworld Dreams
17%inclusion5 decks29 decks
15%synergy
Lich
14%inclusion4 decks29 decks
14%synergy
Curse of Bloodletting
14%inclusion4 decks29 decks
13%synergy
Planar Chaos
14%inclusion4 decks29 decks
13%synergy
Maddening Hex
14%inclusion4 decks29 decks
13%synergy
Repercussion
14%inclusion4 decks29 decks
13%synergy
Wound Reflection
14%inclusion4 decks29 decks
12%synergy
Blood Moon
14%inclusion4 decks29 decks
11%synergy
Grievous Wound
12%inclusion3 decks25 decks
11%synergy
Curse of Hospitality
10%inclusion3 decks29 decks
10%synergy
Share the Spoils
10%inclusion3 decks29 decks
10%synergy
Trespasser's Curse
10%inclusion3 decks29 decks
10%synergy
Possibility Storm
10%inclusion3 decks29 decks
10%synergy
Liliana's Caress
10%inclusion3 decks29 decks
9%synergy
Descent into Avernus
10%inclusion3 decks29 decks
7%synergy
Planeswalkers
Ob Nixilis, the Hate-Twisted
14%inclusion4 decks29 decks
13%synergy
Utility Lands
Rogue's Passage
52%inclusion15 decks29 decks
32%synergy
Bojuka Bog
48%inclusion14 decks29 decks
19%synergy
Shizo, Death's Storehouse
31%inclusion9 decks29 decks
27%synergy
Urborg, Tomb of Yawgmoth
24%inclusion7 decks29 decks
15%synergy
Cabal Coffers
21%inclusion6 decks29 decks
11%synergy
Kher Keep
14%inclusion4 decks29 decks
12%synergy
Reliquary Tower
14%inclusion4 decks29 decks
-16%synergy
Homeward Path
10%inclusion3 decks29 decks
9%synergy
Minas Morgul, Dark Fortress
10%inclusion3 decks29 decks
9%synergy
The Black Gate
10%inclusion3 decks29 decks
8%synergy
Castle Locthwain
10%inclusion3 decks29 decks
7%synergy
Temple of the False God
10%inclusion3 decks29 decks
1%synergy
Mana Artifacts
Sol Ring
93%inclusion27 decks29 decks
10%synergy
Arcane Signet
83%inclusion24 decks29 decks
11%synergy
Staff of Compleation
52%inclusion15 decks29 decks
51%synergy
Rakdos Signet
52%inclusion15 decks29 decks
28%synergy
Talisman of Indulgence
38%inclusion11 decks29 decks
10%synergy
Fellwar Stone
31%inclusion9 decks29 decks
11%synergy
Coveted Jewel
21%inclusion6 decks29 decks
20%synergy
Commander's Sphere
21%inclusion6 decks29 decks
9%synergy
Mind Stone
21%inclusion6 decks29 decks
6%synergy
Charcoal Diamond
14%inclusion4 decks29 decks
10%synergy
Fire Diamond
14%inclusion4 decks29 decks
10%synergy
Coldsteel Heart
10%inclusion3 decks29 decks
10%synergy
Thought Vessel
10%inclusion3 decks29 decks
-7%synergy
Lands
Command Tower
79%inclusion23 decks29 decks
5%synergy
Xander's Lounge
75%inclusion3 decks4 decks
52%synergy
Watery Grave
75%inclusion3 decks4 decks
33%synergy
Blood Crypt
69%inclusion20 decks29 decks
31%synergy
Dragonskull Summit
66%inclusion19 decks29 decks
31%synergy
Luxury Suite
62%inclusion18 decks29 decks
38%synergy
Smoldering Marsh
55%inclusion16 decks29 decks
21%synergy
Tainted Peak
52%inclusion15 decks29 decks
40%synergy
Rakdos Carnarium
48%inclusion14 decks29 decks
36%synergy
Graven Cairns
41%inclusion12 decks29 decks
32%synergy
Foreboding Ruins
41%inclusion12 decks29 decks
26%synergy
Temple of Malice
38%inclusion11 decks29 decks
25%synergy
Haunted Ridge
38%inclusion11 decks29 decks
21%synergy
Exotic Orchard
38%inclusion11 decks29 decks
1%synergy
Sulfurous Springs
34%inclusion10 decks29 decks
11%synergy
Shadowblood Ridge
31%inclusion9 decks29 decks
18%synergy
Blightstep Pathway
24%inclusion7 decks29 decks
16%synergy
Canyon Slough
24%inclusion7 decks29 decks
16%synergy
Bloodstained Mire
24%inclusion7 decks29 decks
13%synergy
Blazemire Verge
24%inclusion6 decks25 decks
13%synergy
Mount Doom
14%inclusion4 decks29 decks
8%synergy
Blackcleave Cliffs
14%inclusion4 decks29 decks
8%synergy
Bloodfell Caves
14%inclusion4 decks29 decks
7%synergy
Raucous Theater
14%inclusion4 decks29 decks
4%synergy
Badlands
14%inclusion4 decks29 decks
1%synergy
Terramorphic Expanse
14%inclusion4 decks29 decks
-1%synergy
Evolving Wilds
14%inclusion4 decks29 decks
-7%synergy
Reflecting Pool
10%inclusion3 decks29 decks
5%synergy
City of Brass
10%inclusion3 decks29 decks
3%synergy
Arid Mesa
10%inclusion3 decks29 decks
0%synergy
Marsh Flats
10%inclusion3 decks29 decks
0%synergy