Bonus Round + Turnabout + Strionic Resonator
Bonus Round
Turnabout
Strionic Resonator
Requires
Bonus Round must be in hand.
Turnabout must be in hand.
Strionic Resonator must be on the battlefield.
You control artifacts that can produce at least 
.
Mana needed: 
.
Mana needed:
Steps
- Cast Bonus Round by paying
, creating an ability that will trigger each time a player casts an instant or sorcery spell this turn.
- Cast Turnabout by paying .
- When you cast Turnabout, the ability created by Bonus Round in step 1 triggers.
- In response, activate Strionic Resonator by paying and tapping it, copying the ability from Bonus Round.
- Resolve the copied ability, copying Turnabout.
- Resolve the copy of Turnabout, untapping Strionic Resonator and all other artifacts you control.
- Activate artifacts you control by tapping them, adding at least .
- Repeat from step 4 any number of times.
- If you can add at least in step 7, this combo produces infinite mana.
Results
Infinite magecraft triggers. Infinite mana artifacts you control can produce. Infinite untaps of artifacts you control.
Zedruu the Greathearted
0.23% of 7313 decks
17 decks
Riku of Two Reflections
0.04% of 4882 decks
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Narset, Enlightened Exile
0.01% of 9602 decks
1 decks
Yidris, Maelstrom Wielder
0.02% of 6623 decks
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Jeleva, Nephalia's Scourge
0.05% of 2149 decks
1 decks
Myra the Magnificent
0.04% of 2478 decks
1 decks
Narset, Enlightened Master
0.02% of 5792 decks
1 decks
Yusri, Fortune's Flame
0.04% of 2503 decks
1 decks
Kynaios and Tiro of Meletis
0.01% of 7893 decks
1 decks
Eris, Roar of the Storm
0.05% of 2119 decks
1 decks
High Synergy Cards
Jeskai Ascendancy
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Mirrorweave
80% of 20 decks
+80% synergy
Growth Spiral
100% of 4 decks
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Unbender Tine
75% of 20 decks
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Jeskai Charm
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Leave // Chance
70% of 20 decks
+70% synergy
Detention Sphere
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Catch // Release
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March of the Machines
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Top Cards
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60% of 20 decks
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Role Reversal
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Creatures
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44% of 27 decks
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32% of 22 decks
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32% of 19 decks
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32% of 19 decks
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26% of 27 decks
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Brash Taunter
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22% of 27 decks
+22% synergy
Phyrexian Metamorph
22% of 27 decks
+15% synergy
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20% of 25 decks
+11% synergy
Birgi, God of Storytelling
19% of 26 decks
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Cadric, Soul Kindler
19% of 16 decks
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16% of 25 decks
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Archangel Avacyn
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Instants
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35% of 20 decks
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30% of 27 decks
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Sudden Substitution
26% of 27 decks
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+24% synergy
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22% of 27 decks
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22% of 27 decks
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21% of 19 decks
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Angel's Grace
20% of 20 decks
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19% of 27 decks
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Prismari Command
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Dramatic Reversal
15% of 27 decks
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Lightning Bolt
15% of 27 decks
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Cyclonic Rift
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Retraction Helix
11% of 27 decks
+11% synergy
Reiterate
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+10% synergy
Increasing Vengeance
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Brain Freeze
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+6% synergy
Sorceries
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75% of 4 decks
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75% of 4 decks
+41% synergy
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+40% synergy
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44% of 27 decks
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21% of 19 decks
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+38% synergy
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-6% synergy
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31% of 26 decks
+3% synergy
Skycloud Expanse
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+17% synergy
Stormcarved Coast
27% of 22 decks
+10% synergy
Forsaken City
26% of 27 decks
+26% synergy
Mana Confluence
26% of 27 decks
+19% synergy
Path of Ancestry
26% of 27 decks
+5% synergy
Battlefield Forge
25% of 20 decks
-1% synergy
Glacial Fortress
25% of 20 decks
-1% synergy
Deserted Beach
24% of 17 decks
+7% synergy
Spectator Seating
21% of 19 decks
-4% synergy
Adarkar Wastes
20% of 20 decks
+3% synergy
Clifftop Retreat
20% of 20 decks
-8% synergy
City of Brass
19% of 27 decks
+10% synergy
Sea of Clouds
15% of 20 decks
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Rainbow Vale
15% of 27 decks
+15% synergy
Flooded Strand
15% of 27 decks
+4% synergy
Scalding Tarn
15% of 27 decks
+4% synergy
Volcanic Island
15% of 27 decks
+1% synergy
Riverglide Pathway
12% of 26 decks
+2% synergy
Gemstone Caverns
11% of 27 decks
+6% synergy
Evolving Wilds
11% of 27 decks
-10% synergy