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%inclusion13 decks7.66K decks
High Synergy Cards
Last Chance
100%inclusion13 decks13 decks
97%synergy
Alchemist's Gambit
92%inclusion12 decks13 decks
91%synergy
Sundial of the Infinite
92%inclusion12 decks13 decks
89%synergy
Glorious End
85%inclusion11 decks13 decks
83%synergy
Ideas Unbound
85%inclusion11 decks13 decks
83%synergy
Final Fortune
85%inclusion11 decks13 decks
79%synergy
Time Stop
77%inclusion10 decks13 decks
76%synergy
Discontinuity
77%inclusion10 decks13 decks
76%synergy
Isochron Scepter
69%inclusion9 decks13 decks
67%synergy
Feldon of the Third Path
69%inclusion9 decks13 decks
67%synergy
Top Cards
Lightning Greaves
69%inclusion9 decks13 decks
40%synergy
Avaricious Dragon
62%inclusion8 decks13 decks
61%synergy
Kiki-Jiki, Mirror Breaker
62%inclusion8 decks13 decks
60%synergy
Wizards of Thay
62%inclusion8 decks13 decks
59%synergy
Temporal Manipulation
54%inclusion7 decks13 decks
53%synergy
Archaeomancer
54%inclusion7 decks13 decks
50%synergy
Sneak Attack
54%inclusion7 decks13 decks
50%synergy
Swiftfoot Boots
54%inclusion7 decks13 decks
28%synergy
Counterspell
54%inclusion7 decks13 decks
10%synergy
Hate Mirage
46%inclusion6 decks13 decks
45%synergy
Game Changers
Fierce Guardianship
46%inclusion6 decks13 decks
26%synergy
Mystical Tutor
38%inclusion5 decks13 decks
25%synergy
Jeska's Will
38%inclusion5 decks13 decks
22%synergy
Rhystic Study
38%inclusion5 decks13 decks
14%synergy
Vampiric Tutor
31%inclusion4 decks13 decks
14%synergy
Demonic Tutor
31%inclusion4 decks13 decks
9%synergy
Cyclonic Rift
23%inclusion3 decks13 decks
0%synergy
Creatures
Identity Thief
46%inclusion6 decks13 decks
45%synergy
Saheeli, the Sun's Brilliance
46%inclusion6 decks13 decks
43%synergy
Archmage Emeritus
46%inclusion6 decks13 decks
37%synergy
Nightscape Familiar
46%inclusion6 decks13 decks
19%synergy
Manaform Hellkite
38%inclusion5 decks13 decks
38%synergy
Zealous Conscripts
38%inclusion5 decks13 decks
37%synergy
Timestream Navigator
38%inclusion5 decks13 decks
35%synergy
Zara, Renegade Recruiter
38%inclusion5 decks13 decks
32%synergy
Goblin Electromancer
38%inclusion5 decks13 decks
30%synergy
Lighthouse Chronologist
31%inclusion4 decks13 decks
31%synergy
Delina, Wild Mage
31%inclusion4 decks13 decks
30%synergy
Hellkite Courser
31%inclusion4 decks13 decks
30%synergy
Orthion, Hero of Lavabrink
31%inclusion4 decks13 decks
29%synergy
Baral, Chief of Compliance
31%inclusion4 decks13 decks
29%synergy
Elite Arcanist
23%inclusion3 decks13 decks
23%synergy
Vadrik, Astral Archmage
23%inclusion3 decks13 decks
23%synergy
Araumi of the Dead Tide
23%inclusion3 decks13 decks
22%synergy
Jaxis, the Troublemaker
23%inclusion3 decks13 decks
21%synergy
Apprentice Necromancer
23%inclusion3 decks13 decks
21%synergy
Puppeteer Clique
23%inclusion3 decks13 decks
20%synergy
Exalted Flamer of Tzeentch
23%inclusion3 decks13 decks
19%synergy
Dualcaster Mage
23%inclusion3 decks13 decks
15%synergy
Instants
Nexus of Fate
38%inclusion5 decks13 decks
37%synergy
Dramatic Reversal
38%inclusion5 decks13 decks
36%synergy
Brainstorm
38%inclusion5 decks13 decks
21%synergy
Chaos Warp
38%inclusion5 decks13 decks
2%synergy
Macabre Mockery
31%inclusion4 decks13 decks
30%synergy
Narset's Reversal
31%inclusion4 decks13 decks
26%synergy
Negate
31%inclusion4 decks13 decks
8%synergy
Dark Ritual
31%inclusion4 decks13 decks
-4%synergy
Power Word Kill
23%inclusion3 decks13 decks
23%synergy
Tale's End
23%inclusion3 decks13 decks
22%synergy
Reverberate
23%inclusion3 decks13 decks
20%synergy
Flame of Anor
23%inclusion3 decks13 decks
18%synergy
Fact or Fiction
23%inclusion3 decks13 decks
15%synergy
Deflecting Swat
23%inclusion3 decks13 decks
5%synergy
Arcane Denial
23%inclusion3 decks13 decks
-6%synergy
An Offer You Can't Refuse
23%inclusion3 decks13 decks
-6%synergy
Sorceries
Come Back Wrong
50%inclusion3 decks6 decks
48%synergy
Time Stretch
38%inclusion5 decks13 decks
38%synergy
Temporal Mastery
38%inclusion5 decks13 decks
38%synergy
Time Warp
38%inclusion5 decks13 decks
37%synergy
Beacon of Tomorrows
31%inclusion4 decks13 decks
31%synergy
Red Sun's Twilight
31%inclusion4 decks13 decks
30%synergy
Twinflame
31%inclusion4 decks13 decks
28%synergy
Walk the Aeons
23%inclusion3 decks13 decks
23%synergy
Capture of Jingzhou
23%inclusion3 decks13 decks
23%synergy
Karn's Temporal Sundering
23%inclusion3 decks13 decks
23%synergy
Plea for Power
23%inclusion3 decks13 decks
22%synergy
Expropriate
23%inclusion3 decks13 decks
22%synergy
Insurrection
23%inclusion3 decks13 decks
20%synergy
Feed the Swarm
23%inclusion3 decks13 decks
-7%synergy
Blasphemous Act
23%inclusion3 decks13 decks
-22%synergy
Utility Artifacts
Mimic Vat
31%inclusion4 decks13 decks
29%synergy
Mirror Box
23%inclusion3 decks13 decks
21%synergy
Enchantments
Flameshadow Conjuring
46%inclusion6 decks13 decks
44%synergy
Psychic Vortex
38%inclusion5 decks13 decks
37%synergy
Fable of the Mirror-Breaker
23%inclusion3 decks13 decks
22%synergy
Arcane Bombardment
23%inclusion3 decks13 decks
21%synergy
Planeswalkers
Teferi, Master of Time
23%inclusion3 decks13 decks
22%synergy
Utility Lands
Lotus Field
31%inclusion4 decks13 decks
30%synergy
Reliquary Tower
31%inclusion4 decks13 decks
-5%synergy
Mana Artifacts
Arcane Signet
100%inclusion13 decks13 decks
12%synergy
Sol Ring
100%inclusion13 decks13 decks
10%synergy
Izzet Signet
54%inclusion7 decks13 decks
20%synergy
Fellwar Stone
54%inclusion7 decks13 decks
18%synergy
Talisman of Creativity
54%inclusion7 decks13 decks
9%synergy
Midnight Clock
38%inclusion5 decks13 decks
35%synergy
Chromatic Lantern
38%inclusion5 decks13 decks
23%synergy
Rakdos Signet
38%inclusion5 decks13 decks
4%synergy
Dimir Signet
31%inclusion4 decks13 decks
-6%synergy
Talisman of Indulgence
31%inclusion4 decks13 decks
-12%synergy
Talisman of Dominance
31%inclusion4 decks13 decks
-18%synergy
Lands
Command Tower
100%inclusion13 decks13 decks
8%synergy
Shivan Reef
69%inclusion9 decks13 decks
40%synergy
Sulfur Falls
62%inclusion8 decks13 decks
16%synergy
Shipwreck Marsh
54%inclusion7 decks13 decks
29%synergy
Exotic Orchard
54%inclusion7 decks13 decks
-3%synergy
Sunken Hollow
46%inclusion6 decks13 decks
6%synergy
Xander's Lounge
46%inclusion6 decks13 decks
6%synergy
Steam Vents
46%inclusion6 decks13 decks
2%synergy
Blood Crypt
46%inclusion6 decks13 decks
2%synergy
Dragonskull Summit
46%inclusion6 decks13 decks
2%synergy
Watery Grave
46%inclusion6 decks13 decks
-1%synergy
Crumbling Necropolis
46%inclusion6 decks13 decks
-8%synergy
Temple of Deceit
38%inclusion5 decks13 decks
25%synergy
Frostboil Snarl
38%inclusion5 decks13 decks
23%synergy
Evolving Wilds
38%inclusion5 decks13 decks
14%synergy
Stormcarved Coast
38%inclusion5 decks13 decks
13%synergy
Path of Ancestry
38%inclusion5 decks13 decks
7%synergy
Luxury Suite
38%inclusion5 decks13 decks
6%synergy
Morphic Pool
38%inclusion5 decks13 decks
6%synergy
Training Center
38%inclusion5 decks13 decks
6%synergy
Polluted Delta
38%inclusion5 decks13 decks
4%synergy
Smoldering Marsh
38%inclusion5 decks13 decks
1%synergy
Drowned Catacomb
38%inclusion5 decks13 decks
-4%synergy
Temple of Epiphany
31%inclusion4 decks13 decks
16%synergy
Terramorphic Expanse
31%inclusion4 decks13 decks
11%synergy
Haunted Ridge
31%inclusion4 decks13 decks
9%synergy
Sulfurous Springs
31%inclusion4 decks13 decks
4%synergy
Underground River
31%inclusion4 decks13 decks
4%synergy
Scalding Tarn
31%inclusion4 decks13 decks
-1%synergy
Bloodstained Mire
31%inclusion4 decks13 decks
-4%synergy
Silverbluff Bridge
23%inclusion3 decks13 decks
19%synergy
Izzet Boilerworks
23%inclusion3 decks13 decks
11%synergy
Mana Confluence
23%inclusion3 decks13 decks
11%synergy
Dimir Aqueduct
23%inclusion3 decks13 decks
11%synergy
City of Brass
23%inclusion3 decks13 decks
10%synergy