This is an DM & Endymion OTK Combo Deck. Very consistent af.
Combo #1:
Starting hand #1: Souls, Mastery or Servant, Bond, DM, and Soul Serv (and/or also 1 additional card depending on if you go second)
1. Activate Souls to summon DM
2. Activate Mastery to add Servant and activate it
3. Activate Bond to summon DMG and set DBM (which Servant gets 1 counter)
4. Activate Soul Serv to place Illusion on top of your Deck (also Servant has 2 counters)
5. Banish Soul Serv to draw 2 cards (which is Illusion of Chaos and 1 other card)
6. Activate Illusion of Chaos to add Rod and place 1 other card on top of your Deck (except for the extra DM in your hand)
7. Summon Rod and activate it to add SoDM to summon Illusion of Chaos, then link off Rod to summon Artemis (now Servant has 3 counters)
8. With enough space for 2 monsters, you now activate Servant to summon itself and Mighty Master from your deck by removing 3 counters
9. Link off the monsters Servant, Artemis, and DM to summon Selene, which gives Selene 4 counters, then you can remove 3 counters to summon DM
10. OR instead of summoning Selene, you can link off both Artemis and Servant to summon Crowley to add 1 Spellbook spell thats randomly chosen
Combo #2:
1. Activate Servant of Endymion
2. Summon Rod to search Bond
3. Activate Souls to summon DM
4. Activate Bond to summon DMG and set DBM (1 counter to Servant)
5. Activate Soul Serv to draw 2 (add SoDM and 1 counter to Servant)
6. Activate Illusion of Chaos to add another DM (then you ritual summon it before you give a spell counter to Servant)
7. Activate Servant to summon Mighty Master (by removing 3 counters from it and adding 1 counter to Mighty Master)
8. Link off Servant and Rod to special summon Crowley to search 3 Spellbook spell cards (add Secrets, then search out Knowledge, activate it and you draw 2)