D/D/D with a Kali Yuga lock using Artifact Scythe and Dagda.
For the Kali Yuga lock, all you need is Kepler, Swirl Slime, and any other D/D monster in hand, which is pretty easy to get because of the amount of searches this deck (and D/D as an archetype) has.
Kali Yuga lock combo:
- Summon Kepler, search Dark Contract with the Gate, use that to search a fourth monster. Or, if you already have a fourth via something like drawing with Allure of Darkness, or already have Gate in hand, search Dark Contract with the Swamp King.
- Use Swirl Slime and 1 monster to Fusion Summon Genghis.
- Banish Swirl Slime to summon the fourth monster from hand.
- Genghis procs, summon the monster from GY.
- Summon Dagda, then Gilgamesh.
- Using Gilgamesh, place Orthros and Thomas in pend scales.
- Use Thomas to add Kepler back to hand.
- Use Orthros to pop Thomas and any other card.
- Put Kepler into Pend Scale.
- Pend Summon Thomas, and use Thomas to summon Abyss Ragnarok.
- Using Ragnarok and Thomas, go into Kali Yuga.
- Wait for opponents Draw Phase, pop Scythe, and now you've scythe-locked your opponent with D/D/D.
Pretty big combo but its really easy to do, just a bunch of steps not too much thinking. This also sets up future plays with Kali Yuga to grab Swamp King back from the GY, then use it to Fusion Summon something like Caesar Ragnarok. On turn 3 I've had huge boards set up with this, my best being Caesar Ragnarok, Purple Armageddon, Kali Yuga, Siegfried, High King Genghis, and Abyss Ragnarok. Traded the Purple Armageddon for a second Gilgamesh though, just to be able to get monsters from Field to Grave easier in case anything gets messed up.
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