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%inclusion16 decks7.75K decks
High Synergy Cards
Last Chance
100%inclusion16 decks16 decks
97%synergy
Alchemist's Gambit
94%inclusion15 decks16 decks
92%synergy
Sundial of the Infinite
94%inclusion15 decks16 decks
91%synergy
Glorious End
88%inclusion14 decks16 decks
86%synergy
Final Fortune
88%inclusion14 decks16 decks
82%synergy
Time Stop
81%inclusion13 decks16 decks
81%synergy
Discontinuity
81%inclusion13 decks16 decks
80%synergy
Ideas Unbound
75%inclusion12 decks16 decks
73%synergy
Isochron Scepter
63%inclusion10 decks16 decks
60%synergy
Feldon of the Third Path
63%inclusion10 decks16 decks
60%synergy
Top Cards
Lightning Greaves
75%inclusion12 decks16 decks
45%synergy
Wizards of Thay
63%inclusion10 decks16 decks
60%synergy
Temporal Manipulation
56%inclusion9 decks16 decks
56%synergy
Avaricious Dragon
56%inclusion9 decks16 decks
55%synergy
Swiftfoot Boots
56%inclusion9 decks16 decks
30%synergy
Kiki-Jiki, Mirror Breaker
50%inclusion8 decks16 decks
48%synergy
Archaeomancer
50%inclusion8 decks16 decks
46%synergy
Counterspell
50%inclusion8 decks16 decks
6%synergy
Beacon of Tomorrows
44%inclusion7 decks16 decks
43%synergy
Time Stretch
44%inclusion7 decks16 decks
43%synergy
Game Changers
Fierce Guardianship
44%inclusion7 decks16 decks
24%synergy
Jeska's Will
38%inclusion6 decks16 decks
21%synergy
Mystical Tutor
31%inclusion5 decks16 decks
18%synergy
Rhystic Study
31%inclusion5 decks16 decks
7%synergy
Vampiric Tutor
25%inclusion4 decks16 decks
9%synergy
Demonic Tutor
25%inclusion4 decks16 decks
3%synergy
Cyclonic Rift
19%inclusion3 decks16 decks
-4%synergy
Creatures
Identity Thief
44%inclusion7 decks16 decks
42%synergy
Archmage Emeritus
44%inclusion7 decks16 decks
35%synergy
Lighthouse Chronologist
38%inclusion6 decks16 decks
37%synergy
Manaform Hellkite
38%inclusion6 decks16 decks
37%synergy
Saheeli, the Sun's Brilliance
38%inclusion6 decks16 decks
35%synergy
Timestream Navigator
38%inclusion6 decks16 decks
34%synergy
Goblin Electromancer
38%inclusion6 decks16 decks
29%synergy
Nightscape Familiar
38%inclusion6 decks16 decks
11%synergy
Hellkite Courser
31%inclusion5 decks16 decks
30%synergy
Zealous Conscripts
31%inclusion5 decks16 decks
30%synergy
Baral, Chief of Compliance
31%inclusion5 decks16 decks
29%synergy
Exalted Flamer of Tzeentch
31%inclusion5 decks16 decks
28%synergy
Zara, Renegade Recruiter
31%inclusion5 decks16 decks
25%synergy
Vadrik, Astral Archmage
25%inclusion4 decks16 decks
25%synergy
Delina, Wild Mage
25%inclusion4 decks16 decks
24%synergy
Orthion, Hero of Lavabrink
25%inclusion4 decks16 decks
23%synergy
Elite Arcanist
19%inclusion3 decks16 decks
19%synergy
Zaffai, Thunder Conductor
19%inclusion3 decks16 decks
19%synergy
Platinum Angel
19%inclusion3 decks16 decks
18%synergy
God-Eternal Kefnet
19%inclusion3 decks16 decks
18%synergy
Araumi of the Dead Tide
19%inclusion3 decks16 decks
18%synergy
Firbolg Flutist
19%inclusion3 decks16 decks
18%synergy
Elturel Survivors
19%inclusion3 decks16 decks
17%synergy
Young Pyromancer
19%inclusion3 decks16 decks
17%synergy
Jaxis, the Troublemaker
19%inclusion3 decks16 decks
17%synergy
Apprentice Necromancer
19%inclusion3 decks16 decks
16%synergy
Puppeteer Clique
19%inclusion3 decks16 decks
15%synergy
Dualcaster Mage
19%inclusion3 decks16 decks
11%synergy
Instants
Nexus of Fate
44%inclusion7 decks16 decks
43%synergy
Narset's Reversal
38%inclusion6 decks16 decks
33%synergy
Brainstorm
38%inclusion6 decks16 decks
20%synergy
Chaos Warp
38%inclusion6 decks16 decks
1%synergy
Macabre Mockery
31%inclusion5 decks16 decks
31%synergy
Dramatic Reversal
31%inclusion5 decks16 decks
29%synergy
Negate
31%inclusion5 decks16 decks
9%synergy
Power Word Kill
25%inclusion4 decks16 decks
25%synergy
Tale's End
25%inclusion4 decks16 decks
24%synergy
Fact or Fiction
25%inclusion4 decks16 decks
17%synergy
Deflecting Swat
25%inclusion4 decks16 decks
7%synergy
An Offer You Can't Refuse
25%inclusion4 decks16 decks
-3%synergy
Dark Ritual
25%inclusion4 decks16 decks
-10%synergy
Hurkyl's Final Meditation
19%inclusion3 decks16 decks
19%synergy
Blue Sun's Zenith
19%inclusion3 decks16 decks
18%synergy
Reverberate
19%inclusion3 decks16 decks
15%synergy
Dig Through Time
19%inclusion3 decks16 decks
15%synergy
Rapid Hybridization
19%inclusion3 decks16 decks
15%synergy
Flame of Anor
19%inclusion3 decks16 decks
14%synergy
Reality Shift
19%inclusion3 decks16 decks
13%synergy
Terminate
19%inclusion3 decks16 decks
-7%synergy
Arcane Denial
19%inclusion3 decks16 decks
-10%synergy
Sorceries
Temporal Mastery
44%inclusion7 decks16 decks
43%synergy
Hate Mirage
44%inclusion7 decks16 decks
43%synergy
Come Back Wrong
43%inclusion3 decks7 decks
41%synergy
Time Warp
38%inclusion6 decks16 decks
36%synergy
Walk the Aeons
31%inclusion5 decks16 decks
31%synergy
Capture of Jingzhou
25%inclusion4 decks16 decks
25%synergy
Karn's Temporal Sundering
25%inclusion4 decks16 decks
25%synergy
Plea for Power
25%inclusion4 decks16 decks
24%synergy
Red Sun's Twilight
25%inclusion4 decks16 decks
24%synergy
Expropriate
25%inclusion4 decks16 decks
24%synergy
Twinflame
25%inclusion4 decks16 decks
22%synergy
Feed the Swarm
25%inclusion4 decks16 decks
-5%synergy
Alrund's Epiphany
19%inclusion3 decks16 decks
19%synergy
Temporal Trespass
19%inclusion3 decks16 decks
18%synergy
Insurrection
19%inclusion3 decks16 decks
16%synergy
Ponder
19%inclusion3 decks16 decks
10%synergy
Blasphemous Act
19%inclusion3 decks16 decks
-27%synergy
Utility Artifacts
Mimic Vat
25%inclusion4 decks16 decks
23%synergy
Mirror Box
19%inclusion3 decks16 decks
17%synergy
Enchantments
Sneak Attack
44%inclusion7 decks16 decks
39%synergy
Flameshadow Conjuring
38%inclusion6 decks16 decks
35%synergy
Psychic Vortex
31%inclusion5 decks16 decks
30%synergy
Arcane Bombardment
25%inclusion4 decks16 decks
23%synergy
Fable of the Mirror-Breaker
19%inclusion3 decks16 decks
17%synergy
Planeswalkers
Teferi, Master of Time
31%inclusion5 decks16 decks
30%synergy
Utility Lands
Lotus Field
25%inclusion4 decks16 decks
24%synergy
Reliquary Tower
25%inclusion4 decks16 decks
-11%synergy
Mana Artifacts
Sol Ring
100%inclusion16 decks16 decks
10%synergy
Arcane Signet
94%inclusion15 decks16 decks
6%synergy
Izzet Signet
56%inclusion9 decks16 decks
22%synergy
Fellwar Stone
50%inclusion8 decks16 decks
15%synergy
Rakdos Signet
44%inclusion7 decks16 decks
9%synergy
Talisman of Creativity
44%inclusion7 decks16 decks
-1%synergy
Midnight Clock
38%inclusion6 decks16 decks
34%synergy
Chromatic Lantern
38%inclusion6 decks16 decks
22%synergy
Dimir Signet
38%inclusion6 decks16 decks
1%synergy
Talisman of Indulgence
25%inclusion4 decks16 decks
-18%synergy
Talisman of Dominance
25%inclusion4 decks16 decks
-24%synergy
Lands
Command Tower
100%inclusion16 decks16 decks
8%synergy
Shivan Reef
69%inclusion11 decks16 decks
40%synergy
Shipwreck Marsh
56%inclusion9 decks16 decks
31%synergy
Sulfur Falls
56%inclusion9 decks16 decks
10%synergy
Crumbling Necropolis
56%inclusion9 decks16 decks
2%synergy
Sunken Hollow
50%inclusion8 decks16 decks
10%synergy
Xander's Lounge
50%inclusion8 decks16 decks
9%synergy
Steam Vents
50%inclusion8 decks16 decks
6%synergy
Blood Crypt
50%inclusion8 decks16 decks
6%synergy
Watery Grave
50%inclusion8 decks16 decks
3%synergy
Exotic Orchard
50%inclusion8 decks16 decks
-6%synergy
Temple of Deceit
44%inclusion7 decks16 decks
30%synergy
Path of Ancestry
44%inclusion7 decks16 decks
13%synergy
Luxury Suite
44%inclusion7 decks16 decks
12%synergy
Morphic Pool
44%inclusion7 decks16 decks
11%synergy
Training Center
44%inclusion7 decks16 decks
11%synergy
Dragonskull Summit
44%inclusion7 decks16 decks
-1%synergy
Temple of Epiphany
38%inclusion6 decks16 decks
23%synergy
Frostboil Snarl
38%inclusion6 decks16 decks
22%synergy
Evolving Wilds
38%inclusion6 decks16 decks
13%synergy
Stormcarved Coast
38%inclusion6 decks16 decks
12%synergy
Scalding Tarn
38%inclusion6 decks16 decks
5%synergy
Polluted Delta
38%inclusion6 decks16 decks
3%synergy
Bloodstained Mire
38%inclusion6 decks16 decks
3%synergy
Smoldering Marsh
38%inclusion6 decks16 decks
0%synergy
Drowned Catacomb
38%inclusion6 decks16 decks
-5%synergy
Haunted Ridge
31%inclusion5 decks16 decks
10%synergy
Sulfurous Springs
31%inclusion5 decks16 decks
4%synergy
Underground River
31%inclusion5 decks16 decks
4%synergy
Silverbluff Bridge
25%inclusion4 decks16 decks
21%synergy
Terramorphic Expanse
25%inclusion4 decks16 decks
5%synergy
Mana Confluence
19%inclusion3 decks16 decks
7%synergy
Izzet Boilerworks
19%inclusion3 decks16 decks
7%synergy
Temple of Malice
19%inclusion3 decks16 decks
7%synergy
Dimir Aqueduct
19%inclusion3 decks16 decks
7%synergy
City of Brass
19%inclusion3 decks16 decks
6%synergy