Four Knocks (Card)

Four Knocks
In 11376 decks 0% of 2278354 decks
Joshua Clough
Doctor Who: Timey-Wimey and Paradox Power - The Story Behind the Cards
Discover an amazing story, some old favorite mechanics and a lot of new surprises in the latest Doctor Who precons.
Cardsphere
Archidekt
Commander Spellbook
Moxfield
Scryfall
MTGStocks
The Tenth Doctor // Rose Tyler
81.69% of 4861 decks 3971 decks
Atraxa, Praetors' Voice
4.45% of 29590 decks 1316 decks
Giada, Font of Hope
2.64% of 18938 decks 500 decks
The Eleventh Doctor // Amy Pond
47.19% of 871 decks 411 decks
The War Doctor // Ryan Sinclair
26.89% of 926 decks 249 decks
Kate Stewart
82.25% of 231 decks 190 decks
The Fourteenth Doctor // Rose Noble
15.33% of 1220 decks 187 decks
The Fourteenth Doctor // Clara Oswald
13.87% of 1247 decks 173 decks
The Tenth Doctor // Clara Oswald
22.33% of 618 decks 138 decks
Wilfred Mott
54.77% of 241 decks 132 decks
The Face of Boe
23.48% of 528 decks 124 decks
Ghen, Arcanum Weaver
5.48% of 1972 decks 108 decks
The War Doctor // Clara Oswald
10.96% of 949 decks 104 decks
Perrie, the Pulverizer
4.77% of 1385 decks 66 decks
Daxos the Returned
4.50% of 1422 decks 64 decks
Anikthea, Hand of Erebos
0.56% of 10955 decks 61 decks
Neva, Stalked by Nightmares
13.07% of 436 decks 57 decks
The War Doctor // K-9, Mark I
12.12% of 429 decks 52 decks
New Cards
Bleachbone Verge
6% of 505 decks -1% synergy
Taigam, Master Opportunist
6% of 405 decks +5% synergy
Sunbillow Verge
4% of 1447 decks -2% synergy
Hollowmurk Siege
3% of 62 decks +2% synergy
Riverpyre Verge
3% of 1212 decks -3% synergy
High Synergy Cards
The Ninth Doctor
70% of 6015 decks +69% synergy
Trenzalore Clocktower
69% of 7941 decks +67% synergy
The Parting of the Ways
67% of 7076 decks +67% synergy
The War Doctor
66% of 7068 decks +65% synergy
Inspiring Refrain
64% of 7952 decks +63% synergy
As Foretold
64% of 7952 decks +62% synergy
Wibbly-wobbly, Timey-wimey
62% of 7940 decks +61% synergy
Time Beetle
61% of 7940 decks +60% synergy
Ecstatic Beauty
59% of 7066 decks +59% synergy
Regenerations Restored
59% of 7941 decks +58% synergy
Top Cards
Judoon Enforcers
57% of 7066 decks +57% synergy
Dinosaurs on a Spaceship
57% of 7066 decks +55% synergy
The Eleventh Doctor
55% of 7941 decks +54% synergy
The Fugitive Doctor
55% of 921 decks +55% synergy
Sibylline Soothsayer
54% of 7066 decks +54% synergy
Swords to Plowshares
54% of 11376 decks -9% synergy
Star Whale
53% of 7940 decks +52% synergy
All of History, All at Once
53% of 7940 decks +52% synergy
Kate Stewart
52% of 6014 decks +52% synergy
Jhoira of the Ghitu
52% of 6018 decks +51% synergy
Game Changers
Smothering Tithe
15% of 11376 decks -9% synergy
Rhystic Study
15% of 7952 decks -12% synergy
Demonic Tutor
14% of 2719 decks -7% synergy
Cyclonic Rift
12% of 7952 decks -14% synergy
Vampiric Tutor
9% of 2719 decks -8% synergy
Jeska's Will
9% of 7076 decks -8% synergy
Enlightened Tutor
8% of 11376 decks -9% synergy
Fierce Guardianship
7% of 7952 decks -11% synergy
Mystical Tutor
6% of 7952 decks -8% synergy
Trouble in Pairs
5% of 8356 decks +0% synergy
Creatures
Amy Pond
46% of 7068 decks +46% synergy
Ezuri, Stalker of Spheres
45% of 2311 decks +42% synergy
Flesh Duplicate
41% of 7940 decks +40% synergy
The Face of Boe
41% of 6018 decks +40% synergy
Rory Williams
41% of 7941 decks +40% synergy
Evolution Sage
38% of 2878 decks +32% synergy
Dreamtide Whale
29% of 4345 decks +26% synergy
The Fourth Doctor
28% of 2311 decks +28% synergy
The Sixth Doctor
28% of 2302 decks +27% synergy
Ixhel, Scion of Atraxa
28% of 1855 decks +25% synergy
The Thirteenth Doctor
28% of 2311 decks +26% synergy
The Third Doctor
27% of 2302 decks +26% synergy
Wilfred Mott
27% of 11337 decks +26% synergy
Rift Elemental
26% of 7076 decks +26% synergy
The Twelfth Doctor
26% of 6015 decks +25% synergy
Sinister Concierge
26% of 7952 decks +26% synergy
Voidwing Hybrid
25% of 1912 decks +24% synergy
Cankerbloom
25% of 2878 decks +19% synergy
Jhoira's Timebug
25% of 11376 decks +25% synergy
Aeon Chronicler
25% of 7952 decks +24% synergy
The Tenth Doctor
24% of 6018 decks +23% synergy
Atraxi Warden
23% of 11337 decks +23% synergy
Ichor Rats
22% of 2719 decks +21% synergy
Sphinx of the Second Sun
22% of 7952 decks +20% synergy
Bloated Contaminator
21% of 2878 decks +20% synergy
Vorinclex, Monstrous Raider
20% of 2878 decks +16% synergy
Tainted Observer
20% of 2311 decks +18% synergy
Venerated Rotpriest
19% of 2878 decks +17% synergy
Contaminant Grafter
19% of 2878 decks +18% synergy
Donna Noble
18% of 7072 decks +18% synergy
K-9, Mark I
18% of 7941 decks +17% synergy
Birds of Paradise
18% of 2878 decks -9% synergy
Vishgraz, the Doomhive
18% of 1855 decks +15% synergy
Idris, Soul of the TARDIS
17% of 6014 decks +17% synergy
Vega, the Watcher
17% of 7952 decks +14% synergy
Clara Oswald
17% of 11340 decks +16% synergy
Plague Stinger
16% of 2719 decks +15% synergy
Chronozoa
16% of 7952 decks +16% synergy
Deep-Sea Kraken
15% of 7952 decks +15% synergy
Blightbelly Rat
15% of 2719 decks +13% synergy
Skithiryx, the Blight Dragon
14% of 2719 decks +13% synergy
Thrummingbird
14% of 7952 decks +11% synergy
Tekuthal, Inquiry Dominus
14% of 7952 decks +12% synergy
Fathom Mage
14% of 2311 decks +10% synergy
Wild-Magic Sorcerer
14% of 7076 decks +11% synergy
Phyrexian Swarmlord
14% of 2878 decks +13% synergy
Jenny, Generated Anomaly
13% of 7066 decks +13% synergy
River Song
13% of 6018 decks +12% synergy
The Second Doctor
12% of 7941 decks +10% synergy
Flaming Tyrannosaurus
12% of 7066 decks +11% synergy
Instants
Clockspinning
51% of 7952 decks +50% synergy
Gallifrey Falls // No More
50% of 7066 decks +50% synergy
Path to Exile
44% of 11376 decks -3% synergy
Run for Your Life
42% of 6015 decks +42% synergy
Everybody Lives!
40% of 11340 decks +38% synergy
Heroic Intervention
29% of 2878 decks -0% synergy
Vraska's Fall
24% of 2719 decks +22% synergy
Atomize
24% of 1269 decks +20% synergy
Counterspell
23% of 7952 decks -19% synergy
Chaos Warp
21% of 7076 decks -10% synergy
Fury Charm
21% of 7076 decks +21% synergy
Beast Within
20% of 2878 decks -17% synergy
Infectious Bite
20% of 2878 decks +18% synergy
Suspend
19% of 7952 decks +18% synergy
Generous Gift
19% of 11376 decks -6% synergy
Timecrafting
17% of 7076 decks +17% synergy
Anguished Unmaking
16% of 2719 decks -9% synergy
Reverse the Polarity
14% of 7940 decks +13% synergy
Growth Spiral
14% of 2311 decks -8% synergy
Teferi's Protection
13% of 11376 decks -6% synergy
Assassin's Trophy
13% of 1855 decks -17% synergy
Brainstorm
13% of 7952 decks -7% synergy
Brokers Confluence
12% of 2311 decks +10% synergy
Stroke of Midnight
12% of 11373 decks +2% synergy
Mutational Advantage
11% of 1585 decks +7% synergy
Experimental Augury
11% of 7952 decks +8% synergy
Time Lord Regeneration
10% of 7952 decks +10% synergy
Dust of Moments
10% of 11376 decks +10% synergy
Tainted Strike
10% of 2719 decks +8% synergy
Boros Charm
9% of 7076 decks -16% synergy
Prologue to Phyresis
9% of 7952 decks +7% synergy
Delay
8% of 7952 decks +6% synergy
Despark
8% of 2719 decks -7% synergy
Mortify
8% of 2719 decks -4% synergy
Void Rend
8% of 1912 decks -6% synergy
Delayed Blast Fireball
8% of 7076 decks +5% synergy
Negate
7% of 7952 decks -15% synergy
Arcane Denial
7% of 7952 decks -13% synergy
Inspiring Call
6% of 2878 decks -1% synergy
An Offer You Can't Refuse
6% of 7952 decks -15% synergy
Flawless Maneuver
6% of 11376 decks -4% synergy
Whisper of the Dross
6% of 2719 decks +5% synergy
Putrefy
6% of 1855 decks -10% synergy
Revitalizing Repast
6% of 992 decks -3% synergy
Dovin's Veto
6% of 7952 decks -12% synergy
Reprieve
6% of 11376 decks +2% synergy
Mana Drain
5% of 7952 decks -10% synergy
Akroma's Will
5% of 11376 decks -4% synergy
Ripples of Potential
5% of 7111 decks +3% synergy
Deflecting Swat
5% of 7076 decks -11% synergy
Sorceries
Farewell
47% of 11376 decks +34% synergy
Farseek
46% of 2878 decks +12% synergy
Rousing Refrain
45% of 7076 decks +44% synergy
The Wedding of River Song
42% of 11340 decks +42% synergy
Cultivate
41% of 2878 decks -4% synergy
Coward // Killer
31% of 7066 decks +31% synergy
Ancestral Vision
30% of 7952 decks +29% synergy
Nanogene Conversion
29% of 7940 decks +28% synergy
Inevitable Betrayal
28% of 7952 decks +26% synergy
Three Visits
28% of 2878 decks +3% synergy
Fractured Identity
26% of 7952 decks +24% synergy
Infectious Inquiry
25% of 2719 decks +24% synergy
Everything Comes to Dust
25% of 11337 decks +24% synergy
Nature's Lore
23% of 2878 decks -9% synergy
Unnatural Restoration
22% of 2878 decks +19% synergy
Wheel of Fate
22% of 7076 decks +21% synergy
Chronomantic Escape
22% of 11376 decks +22% synergy
Phyresis Outbreak
21% of 2719 decks +20% synergy
Rampant Growth
20% of 2878 decks -14% synergy
Drown in Ichor
20% of 2719 decks +18% synergy
Kodama's Reach
19% of 2878 decks -12% synergy
The Five Doctors
19% of 2850 decks +19% synergy
Reality Strobe
17% of 7952 decks +17% synergy
Twice Upon a Time
15% of 7940 decks +15% synergy
Blasphemous Act
14% of 7076 decks -19% synergy
Tezzeret's Gambit
14% of 7952 decks +11% synergy
Thirsting Roots
13% of 2878 decks +11% synergy
Arc Blade
12% of 7076 decks +12% synergy
Damn
11% of 2719 decks -6% synergy
Into the Time Vortex
11% of 7066 decks +10% synergy
Expand the Sphere
11% of 2878 decks +10% synergy
Austere Command
10% of 11376 decks -3% synergy
Toxic Deluge
9% of 2719 decks -9% synergy
Ruinous Ultimatum
9% of 622 decks -9% synergy
Ponder
9% of 7952 decks -3% synergy
Time Wipe
8% of 7952 decks +2% synergy
Eerie Ultimatum
8% of 1855 decks -4% synergy
Contentious Plan
8% of 7952 decks +6% synergy
Explore
8% of 2878 decks -1% synergy
Mana Geyser
8% of 7076 decks +1% synergy
Time Stretch
8% of 7952 decks +6% synergy
Quantum Misalignment
8% of 7940 decks +6% synergy
Search for Tomorrow
7% of 2878 decks +4% synergy
Night's Whisper
7% of 2719 decks -2% synergy
Ensnared by the Mara
6% of 6995 decks +5% synergy
Cut a Deal
6% of 11376 decks +3% synergy
Harmonize
5% of 2878 decks -3% synergy
Last Night Together
5% of 920 decks +5% synergy
Preordain
5% of 7952 decks -5% synergy
Mythos of Snapdax
5% of 622 decks +2% synergy
Utility Artifacts
Lightning Greaves
51% of 11376 decks +26% synergy
Rotating Fireplace
45% of 11337 decks +45% synergy
Mind Stone
37% of 11376 decks +20% synergy
TARDIS
34% of 11376 decks +33% synergy
The Moment
24% of 11337 decks +24% synergy
Psychic Paper
24% of 11337 decks +24% synergy
The Pandorica
22% of 11337 decks +22% synergy
Wedding Ring
20% of 11376 decks +19% synergy
Swiftfoot Boots
20% of 11376 decks -7% synergy
RMS Titanic
16% of 7066 decks +15% synergy
The Millennium Calendar
13% of 10486 decks +13% synergy
Commander's Sphere
12% of 11376 decks -2% synergy
Lotus Bloom
11% of 11376 decks +10% synergy
Wayfarer's Bauble
9% of 11376 decks -1% synergy
Pearl Medallion
8% of 11376 decks +6% synergy
Scroll Rack
8% of 11376 decks +6% synergy
River Song's Diary
8% of 11340 decks +7% synergy
The Ozolith
6% of 11376 decks +2% synergy
Ozolith, the Shattered Spire
5% of 2878 decks +0% synergy
Cursed Recording
5% of 3548 decks +5% synergy
Archaeomancer's Map
5% of 11376 decks +2% synergy
Whispersilk Cloak
5% of 11376 decks +2% synergy
Agent's Toolkit
5% of 2311 decks +4% synergy
Sensei's Divining Top
5% of 11376 decks -0% synergy
Enchantments
Bigger on the Inside
39% of 921 decks +37% synergy
Crack in Time
38% of 11337 decks +37% synergy
Out of Time
34% of 11376 decks +33% synergy
Grasp of Fate
33% of 11376 decks +30% synergy
The Eleventh Hour
30% of 7952 decks +30% synergy
Phyrexian Arena
30% of 2719 decks +15% synergy
The Girl in the Fireplace
29% of 11360 decks +28% synergy
The Day of the Doctor
27% of 7068 decks +27% synergy
Brokers Ascendancy
27% of 2311 decks +20% synergy
Training Grounds
18% of 7952 decks +15% synergy
Passionate Archaeologist
18% of 7076 decks +15% synergy
Doubling Season
15% of 2878 decks +5% synergy
Innkeeper's Talent
13% of 1387 decks +9% synergy
Paradox Haze
13% of 7952 decks +12% synergy
Leyline of the Guildpact
13% of 281 decks -2% synergy
Annie Joins Up
13% of 643 decks +1% synergy
Propaganda
11% of 7952 decks -1% synergy
Inexorable Tide
11% of 7952 decks +8% synergy
Black Market Connections
10% of 2719 decks -1% synergy
Ghostly Prison
9% of 11376 decks -2% synergy
Gallifrey Stands
9% of 7941 decks +8% synergy
City of Death
9% of 2878 decks +8% synergy
An Unearthly Child
8% of 7941 decks +8% synergy
Hardened Scales
8% of 2878 decks -1% synergy
Land Tax
8% of 11376 decks +1% synergy
The Flux
8% of 7076 decks +7% synergy
Captive Audience
7% of 622 decks +6% synergy
Fugitive of the Judoon
7% of 2866 decks +7% synergy
Necrogen Communion
7% of 2719 decks +6% synergy
Dawn of a New Age
7% of 11376 decks +5% synergy
Simic Ascendancy
7% of 2311 decks +1% synergy
Court of Garenbrig
7% of 2874 decks +4% synergy
Sylvan Library
6% of 2878 decks -4% synergy
Heaven Sent
6% of 6015 decks +6% synergy
Darksteel Mutation
6% of 11376 decks +0% synergy
The Eldest Reborn
6% of 2719 decks +4% synergy
Enchantress's Presence
6% of 2878 decks +2% synergy
Kaya's Ghostform
6% of 2719 decks +2% synergy
Wild Growth
6% of 2878 decks -5% synergy
Mirari's Wake
6% of 2878 decks -7% synergy
Shadow of the Second Sun
6% of 4432 decks +5% synergy
Ripples of Undeath
5% of 1506 decks +1% synergy
Norn's Decree
5% of 11376 decks +4% synergy
Binding the Old Gods
5% of 1855 decks -0% synergy
Utopia Sprawl
5% of 2878 decks -3% synergy
Mystic Remora
5% of 7952 decks -12% synergy
Disturbing Mirth
5% of 270 decks +5% synergy
Omniscience
5% of 7952 decks +2% synergy
Planeswalkers
Vraska, Betrayal's Sting
31% of 2719 decks +29% synergy
Ajani, Sleeper Agent
15% of 2878 decks +14% synergy
Tamiyo, Field Researcher
14% of 2311 decks +10% synergy
Quintorius Kand
10% of 6381 decks +9% synergy
Oko, Thief of Crowns
9% of 2311 decks +4% synergy
Wrenn and Realmbreaker
6% of 2878 decks +4% synergy
Ashiok, Dream Render
6% of 1912 decks +2% synergy
Tamiyo, Compleated Sage
6% of 2311 decks +5% synergy
Ajani, the Greathearted
6% of 2878 decks +3% synergy
Kaya the Inexorable
5% of 2719 decks +3% synergy
Utility Lands
Rogue's Passage
48% of 11376 decks +28% synergy
War Room
30% of 11376 decks +24% synergy
Temple of the False God
27% of 11376 decks +17% synergy
Ominous Cemetery
25% of 11337 decks +25% synergy
Thespian's Stage
25% of 11376 decks +22% synergy
Reliquary Tower
23% of 11376 decks -7% synergy
Bojuka Bog
17% of 2719 decks -12% synergy
Karn's Bastion
14% of 11376 decks +9% synergy
Gavony Township
10% of 2878 decks +1% synergy
Dreadship Reef
9% of 1912 decks +8% synergy
Boseiju, Who Endures
9% of 2878 decks -10% synergy
Minas Tirith
8% of 11376 decks +0% synergy
Vault of the Archangel
6% of 2719 decks -5% synergy
Otawara, Soaring City
6% of 7952 decks -10% synergy
Saltcrusted Steppe
5% of 2878 decks +5% synergy
Eiganjo, Seat of the Empire
5% of 11376 decks -3% synergy
Nesting Grounds
5% of 11376 decks +4% synergy
Hall of Heliod's Generosity
5% of 11376 decks -1% synergy
Emeria, the Sky Ruin
5% of 11376 decks +2% synergy
Windbrisk Heights
5% of 11376 decks +0% synergy
Mana Artifacts
Sol Ring
87% of 11376 decks +3% synergy
Arcane Signet
83% of 11376 decks +11% synergy
Talisman of Creativity
70% of 6018 decks +41% synergy
Talisman of Conviction
66% of 7076 decks +43% synergy
Sonic Screwdriver
43% of 11340 decks +42% synergy
Thought Vessel
36% of 11376 decks +19% synergy
Sol Talisman
25% of 11376 decks +24% synergy
Talisman of Progress
23% of 7952 decks -1% synergy
Rakdos Signet
19% of 622 decks -10% synergy
Orzhov Signet
18% of 2719 decks -9% synergy
Talisman of Impulse
18% of 923 decks +8% synergy
Talisman of Indulgence
17% of 622 decks -9% synergy
Talisman of Hierarchy
16% of 2719 decks -10% synergy
Fellwar Stone
15% of 11376 decks -6% synergy
Mox Tantalite
14% of 11376 decks +14% synergy
Boros Signet
14% of 7076 decks -9% synergy
Hourglass of the Lost
12% of 6295 decks +12% synergy
Talisman of Unity
11% of 2878 decks +4% synergy
Talisman of Curiosity
11% of 2311 decks -2% synergy
Chromatic Lantern
11% of 11376 decks +2% synergy
Everflowing Chalice
11% of 11376 decks +6% synergy
Azorius Signet
10% of 7952 decks -15% synergy
Izzet Signet
10% of 6018 decks -18% synergy
Astral Cornucopia
9% of 11376 decks +8% synergy
Talisman of Dominance
7% of 1912 decks -25% synergy
Dimir Signet
7% of 1912 decks -22% synergy
Glistening Sphere
6% of 11376 decks +5% synergy
Replicating Ring
5% of 11376 decks +4% synergy
Lands
Command Tower
81% of 11376 decks +7% synergy
Stormcarved Coast
77% of 6018 decks +59% synergy
Mystic Monastery
75% of 6018 decks +48% synergy
Sundown Pass
70% of 7076 decks +54% synergy
Deserted Beach
62% of 7952 decks +46% synergy
Exotic Orchard
61% of 11376 decks +25% synergy
Glacial Fortress
60% of 7952 decks +33% synergy
Prairie Stream
58% of 7952 decks +24% synergy
Fiery Islet
56% of 6018 decks +48% synergy
Frostboil Snarl
56% of 6018 decks +41% synergy
Temple of Epiphany
55% of 6018 decks +36% synergy
Furycalm Snarl
53% of 7076 decks +39% synergy
Temple of Triumph
52% of 7076 decks +35% synergy
Path of Ancestry
51% of 11376 decks +29% synergy
Sunbaked Canyon
49% of 7076 decks +45% synergy
Port Town
45% of 7952 decks +29% synergy
Skycloud Expanse
45% of 7952 decks +32% synergy
Temple of Enlightenment
44% of 7952 decks +27% synergy
Seaside Citadel
42% of 2311 decks +15% synergy
Irrigated Farmland
38% of 7952 decks +31% synergy
Sandsteppe Citadel
37% of 1855 decks +12% synergy
Arcane Sanctum
37% of 1912 decks +8% synergy
Frontier Bivouac
36% of 755 decks +9% synergy
Myriad Landscape
36% of 11376 decks +17% synergy
Canopy Vista
36% of 2878 decks -1% synergy
Overgrown Tomb
35% of 1855 decks -7% synergy
Rockfall Vale
35% of 923 decks +13% synergy
Watery Grave
35% of 1912 decks -6% synergy
Zagoth Triome
35% of 1695 decks +5% synergy
Godless Shrine
34% of 2719 decks -6% synergy
Indatha Triome
34% of 1855 decks +4% synergy
Opulent Palace
34% of 1695 decks +7% synergy
Evolving Wilds
34% of 11376 decks +13% synergy
Cinder Glade
33% of 923 decks -6% synergy
Spara's Headquarters
33% of 2311 decks +3% synergy
Breeding Pool
32% of 2311 decks -8% synergy
Raffine's Tower
32% of 1912 decks +6% synergy
Temple Garden
32% of 2878 decks -8% synergy
Thriving Bluff
30% of 7076 decks +27% synergy
Nomad Outpost
29% of 622 decks +1% synergy
Hallowed Fountain
29% of 7952 decks -12% synergy
Raugrin Triome
27% of 6018 decks +2% synergy
Dreamroot Cascade
27% of 2311 decks +8% synergy
Steam Vents
25% of 6018 decks -14% synergy
Sacred Foundry
25% of 7076 decks -11% synergy
Caves of Koilos
24% of 2719 decks -5% synergy
The World Tree
24% of 359 decks -8% synergy
Overgrown Farmland
23% of 2878 decks +7% synergy
Spectator Seating
23% of 7076 decks -1% synergy
Rejuvenating Springs
23% of 2311 decks -5% synergy