Magar of the Magic Strings
Warrior's Oath
Day's Undoing

   Prerequisites

What do I need to start this combo?
Magar of the Magic Strings on the battlefield.
Day's Undoing in your graveyard.
Warrior's Oath in hand.
An opponent cannot block creatures you control.
2 available

   Steps

How does this combo work?
1
Cast Warrior's Oath by paying its mana cost, causing you to take an extra turn after this one and to lose the game at the beginning of that turn's end step.
2
Activate Magar by paying 1, noting Warrior's Oath and putting it face down on the battlefield as a 3/3 creature.
3
Activate Magar by paying 1, noting Day's Undoing and putting it face down on the battlefield as a 3/3 creature.
4
During your next turn, deal combat damage to an opponent using the face down creatures that have Warrior's Oath and Day's Undoing noted. The creatures trigger.
5
Resolve the first trigger, casting a copy of Warrior's Oath without paying its mana cost. Resolve the copy, causing you to take an extra turn after this one and to lose the game at the beginning of that turn's end step.
6
Resolve the second trigger, casting a copy of Day's Undoing without paying its mana cost. Resolve the copy, causing you to end the turn. This will prevent the Warrior's Oath trigger from causing you to lose the game.
7
Repeat from step 3.

   Results

What do I get from this combo?
Lock
Infinite turns
Obeka, Brute Chronologist
0.2%inclusion18 decks7.92K decks
High Synergy Cards
Last Chance
100%inclusion18 decks18 decks
97%synergy
Alchemist's Gambit
94%inclusion17 decks18 decks
93%synergy
Sundial of the Infinite
94%inclusion17 decks18 decks
91%synergy
Glorious End
89%inclusion16 decks18 decks
87%synergy
Time Stop
83%inclusion15 decks18 decks
83%synergy
Discontinuity
83%inclusion15 decks18 decks
82%synergy
Final Fortune
83%inclusion15 decks18 decks
78%synergy
Ideas Unbound
78%inclusion14 decks18 decks
76%synergy
Feldon of the Third Path
61%inclusion11 decks18 decks
58%synergy
Wizards of Thay
61%inclusion11 decks18 decks
58%synergy
Top Cards
Lightning Greaves
72%inclusion13 decks18 decks
43%synergy
Swiftfoot Boots
61%inclusion11 decks18 decks
35%synergy
Temporal Manipulation
56%inclusion10 decks18 decks
55%synergy
Avaricious Dragon
56%inclusion10 decks18 decks
55%synergy
Isochron Scepter
56%inclusion10 decks18 decks
53%synergy
Counterspell
56%inclusion10 decks18 decks
11%synergy
Time Stretch
50%inclusion9 decks18 decks
49%synergy
Beacon of Tomorrows
44%inclusion8 decks18 decks
44%synergy
Temporal Mastery
44%inclusion8 decks18 decks
44%synergy
Hate Mirage
44%inclusion8 decks18 decks
43%synergy
Game Changers
Fierce Guardianship
39%inclusion7 decks18 decks
19%synergy
Jeska's Will
33%inclusion6 decks18 decks
17%synergy
Mystical Tutor
28%inclusion5 decks18 decks
14%synergy
Rhystic Study
28%inclusion5 decks18 decks
4%synergy
Vampiric Tutor
22%inclusion4 decks18 decks
6%synergy
Demonic Tutor
22%inclusion4 decks18 decks
1%synergy
Force of Will
17%inclusion3 decks18 decks
6%synergy
Cyclonic Rift
17%inclusion3 decks18 decks
-6%synergy
Creatures
Identity Thief
44%inclusion8 decks18 decks
43%synergy
Kiki-Jiki, Mirror Breaker
44%inclusion8 decks18 decks
42%synergy
Archaeomancer
44%inclusion8 decks18 decks
41%synergy
Goblin Electromancer
44%inclusion8 decks18 decks
36%synergy
Archmage Emeritus
44%inclusion8 decks18 decks
35%synergy
Lighthouse Chronologist
39%inclusion7 decks18 decks
39%synergy
Manaform Hellkite
39%inclusion7 decks18 decks
39%synergy
Hellkite Courser
33%inclusion6 decks18 decks
32%synergy
Baral, Chief of Compliance
33%inclusion6 decks18 decks
31%synergy
Saheeli, the Sun's Brilliance
33%inclusion6 decks18 decks
31%synergy
Exalted Flamer of Tzeentch
33%inclusion6 decks18 decks
30%synergy
Timestream Navigator
33%inclusion6 decks18 decks
30%synergy
Nightscape Familiar
33%inclusion6 decks18 decks
7%synergy
Vadrik, Astral Archmage
28%inclusion5 decks18 decks
28%synergy
Zealous Conscripts
28%inclusion5 decks18 decks
26%synergy
Orthion, Hero of Lavabrink
28%inclusion5 decks18 decks
26%synergy
Zara, Renegade Recruiter
28%inclusion5 decks18 decks
21%synergy
Zaffai, Thunder Conductor
22%inclusion4 decks18 decks
22%synergy
God-Eternal Kefnet
22%inclusion4 decks18 decks
22%synergy
Delina, Wild Mage
22%inclusion4 decks18 decks
21%synergy
Young Pyromancer
22%inclusion4 decks18 decks
21%synergy
Dualcaster Mage
22%inclusion4 decks18 decks
15%synergy
Elite Arcanist
17%inclusion3 decks18 decks
17%synergy
Platinum Angel
17%inclusion3 decks18 decks
16%synergy
Vizier of Tumbling Sands
17%inclusion3 decks18 decks
16%synergy
Araumi of the Dead Tide
17%inclusion3 decks18 decks
16%synergy
Firbolg Flutist
17%inclusion3 decks18 decks
16%synergy
Rionya, Fire Dancer
17%inclusion3 decks18 decks
16%synergy
Elturel Survivors
17%inclusion3 decks18 decks
15%synergy
Jaxis, the Troublemaker
17%inclusion3 decks18 decks
15%synergy
Apprentice Necromancer
17%inclusion3 decks18 decks
14%synergy
Puppeteer Clique
17%inclusion3 decks18 decks
13%synergy
Instants
Nexus of Fate
39%inclusion7 decks18 decks
38%synergy
Brainstorm
39%inclusion7 decks18 decks
22%synergy
Chaos Warp
39%inclusion7 decks18 decks
2%synergy
Macabre Mockery
33%inclusion6 decks18 decks
33%synergy
Narset's Reversal
33%inclusion6 decks18 decks
29%synergy
Negate
33%inclusion6 decks18 decks
11%synergy
An Offer You Can't Refuse
33%inclusion6 decks18 decks
5%synergy
Power Word Kill
28%inclusion5 decks18 decks
28%synergy
Tale's End
28%inclusion5 decks18 decks
27%synergy
Dramatic Reversal
28%inclusion5 decks18 decks
26%synergy
Fact or Fiction
28%inclusion5 decks18 decks
20%synergy
Blue Sun's Zenith
22%inclusion4 decks18 decks
21%synergy
Dig Through Time
22%inclusion4 decks18 decks
18%synergy
Rapid Hybridization
22%inclusion4 decks18 decks
18%synergy
Reality Shift
22%inclusion4 decks18 decks
17%synergy
Deflecting Swat
22%inclusion4 decks18 decks
4%synergy
Terminate
22%inclusion4 decks18 decks
-4%synergy
Dark Ritual
22%inclusion4 decks18 decks
-13%synergy
Hurkyl's Final Meditation
17%inclusion3 decks18 decks
17%synergy
Stunning Reversal
17%inclusion3 decks18 decks
17%synergy
Reverberate
17%inclusion3 decks18 decks
13%synergy
Flame of Anor
17%inclusion3 decks18 decks
12%synergy
Infernal Grasp
17%inclusion3 decks18 decks
12%synergy
Mana Drain
17%inclusion3 decks18 decks
1%synergy
Arcane Denial
17%inclusion3 decks18 decks
-12%synergy
Sorceries
Come Back Wrong
43%inclusion3 decks7 decks
41%synergy
Walk the Aeons
39%inclusion7 decks18 decks
39%synergy
Time Warp
33%inclusion6 decks18 decks
32%synergy
Karn's Temporal Sundering
28%inclusion5 decks18 decks
27%synergy
Ponder
28%inclusion5 decks18 decks
19%synergy
Feed the Swarm
28%inclusion5 decks18 decks
-2%synergy
Capture of Jingzhou
22%inclusion4 decks18 decks
22%synergy
Plea for Power
22%inclusion4 decks18 decks
22%synergy
Red Sun's Twilight
22%inclusion4 decks18 decks
21%synergy
Expropriate
22%inclusion4 decks18 decks
21%synergy
Twinflame
22%inclusion4 decks18 decks
20%synergy
Savor the Moment
17%inclusion3 decks18 decks
17%synergy
Recurring Insight
17%inclusion3 decks18 decks
16%synergy
Alrund's Epiphany
17%inclusion3 decks18 decks
16%synergy
Temporal Trespass
17%inclusion3 decks18 decks
16%synergy
Insurrection
17%inclusion3 decks18 decks
14%synergy
Read the Bones
17%inclusion3 decks18 decks
14%synergy
Blasphemous Act
17%inclusion3 decks18 decks
-29%synergy
Utility Artifacts
Mimic Vat
22%inclusion4 decks18 decks
20%synergy
Mirror Box
17%inclusion3 decks18 decks
15%synergy
Enchantments
Sneak Attack
39%inclusion7 decks18 decks
35%synergy
Flameshadow Conjuring
33%inclusion6 decks18 decks
31%synergy
Psychic Vortex
28%inclusion5 decks18 decks
27%synergy
Arcane Bombardment
22%inclusion4 decks18 decks
20%synergy
Freed from the Real
17%inclusion3 decks18 decks
16%synergy
Fable of the Mirror-Breaker
17%inclusion3 decks18 decks
15%synergy
Planeswalkers
Teferi, Master of Time
33%inclusion6 decks18 decks
32%synergy
Utility Lands
Reliquary Tower
28%inclusion5 decks18 decks
-8%synergy
Lotus Field
22%inclusion4 decks18 decks
21%synergy
Boseiju, Who Shelters All
17%inclusion3 decks18 decks
16%synergy
Mystic Sanctuary
17%inclusion3 decks18 decks
12%synergy
Mana Artifacts
Sol Ring
100%inclusion18 decks18 decks
10%synergy
Arcane Signet
94%inclusion17 decks18 decks
6%synergy
Izzet Signet
61%inclusion11 decks18 decks
27%synergy
Rakdos Signet
44%inclusion8 decks18 decks
9%synergy
Fellwar Stone
44%inclusion8 decks18 decks
9%synergy
Midnight Clock
39%inclusion7 decks18 decks
35%synergy
Chromatic Lantern
39%inclusion7 decks18 decks
24%synergy
Dimir Signet
39%inclusion7 decks18 decks
2%synergy
Talisman of Creativity
39%inclusion7 decks18 decks
-6%synergy
Talisman of Indulgence
22%inclusion4 decks18 decks
-20%synergy
Talisman of Dominance
22%inclusion4 decks18 decks
-27%synergy
Lands
Command Tower
100%inclusion18 decks18 decks
8%synergy
Shivan Reef
72%inclusion13 decks18 decks
43%synergy
Crumbling Necropolis
61%inclusion11 decks18 decks
6%synergy
Shipwreck Marsh
56%inclusion10 decks18 decks
30%synergy
Sulfur Falls
56%inclusion10 decks18 decks
10%synergy
Sunken Hollow
50%inclusion9 decks18 decks
10%synergy
Exotic Orchard
50%inclusion9 decks18 decks
-6%synergy
Temple of Deceit
44%inclusion8 decks18 decks
31%synergy
Path of Ancestry
44%inclusion8 decks18 decks
13%synergy
Training Center
44%inclusion8 decks18 decks
12%synergy
Xander's Lounge
44%inclusion8 decks18 decks
4%synergy
Steam Vents
44%inclusion8 decks18 decks
1%synergy
Blood Crypt
44%inclusion8 decks18 decks
1%synergy
Watery Grave
44%inclusion8 decks18 decks
-2%synergy
Temple of Epiphany
39%inclusion7 decks18 decks
24%synergy
Frostboil Snarl
39%inclusion7 decks18 decks
24%synergy
Evolving Wilds
39%inclusion7 decks18 decks
15%synergy
Luxury Suite
39%inclusion7 decks18 decks
7%synergy
Morphic Pool
39%inclusion7 decks18 decks
6%synergy
Smoldering Marsh
39%inclusion7 decks18 decks
1%synergy
Dragonskull Summit
39%inclusion7 decks18 decks
-6%synergy
Stormcarved Coast
33%inclusion6 decks18 decks
8%synergy
Scalding Tarn
33%inclusion6 decks18 decks
1%synergy
Polluted Delta
33%inclusion6 decks18 decks
-1%synergy
Bloodstained Mire
33%inclusion6 decks18 decks
-1%synergy
Drowned Catacomb
33%inclusion6 decks18 decks
-9%synergy
Silverbluff Bridge
28%inclusion5 decks18 decks
24%synergy
Terramorphic Expanse
28%inclusion5 decks18 decks
7%synergy
Haunted Ridge
28%inclusion5 decks18 decks
6%synergy
Sulfurous Springs
28%inclusion5 decks18 decks
1%synergy
Underground River
28%inclusion5 decks18 decks
1%synergy
Izzet Boilerworks
22%inclusion4 decks18 decks
10%synergy
Dimir Aqueduct
22%inclusion4 decks18 decks
10%synergy
Myriad Landscape
17%inclusion3 decks18 decks
6%synergy
Mana Confluence
17%inclusion3 decks18 decks
5%synergy
Temple of Malice
17%inclusion3 decks18 decks
4%synergy
City of Brass
17%inclusion3 decks18 decks
4%synergy