Moves obtained by mythicals that are not obtained by cover legendaries or Mewtwo

 XY legends were based off Hyper Beam/Giga Impact, and S/M legendaries were based off Cosmic Power, so,,


Marshadow:

1. Sucker Punch
2. Jump Kick: Though Pheromosa gets it.
3. Shadow Punch
4. Copycat: Though Mesprit gets it.
5. Rolling Kick
6. Force Palm
7. Feint: Though Pheromosa gets it.
8. Counter Though Buzzwole gets it.
9. Assurance

Magearna:

1. Trump Card
2. Synchronoise 
3. Mind Reader: Though Articuno gets it.
4. Lucky Chant: Though Mesprit gets it.
5. Defense Curl
6. Sonic Boom

Volcanion:

1. Explosion: Though sub-legendaries get it.
2. Stomp: Though sub-legendaries get it. 
3. Mist: Though sub-legendaries get it.

 Hoopa:

1. Guard Split/Power Split: Though other sub-legendaries get it.
2. Astonish: Though other sub-legendaries get it.
3. Ally Switch
4. Destiny Bond

Diancie:

1. Flail: Though Uxie gets it.
2. Sharpen
3. Harden
4. Rock Throw: Though sub-legendaries get it.

Genesect:

1. Self-Destruct
2. Zap Cannon: Though a lot of sub-legendaries get it.
3. Simple Beam
4. Bug Buzz. Though Pheromosa gets it.
5. X-Scissor: Though Kartana gets it.
6. Tri Attack: Silvally gets it.
7. Magnet Bomb
8. Lock-On: Though Regis get it.
9. Screech
10. Fury Cutter: Though Kartana gets it.

Meloetta:

1. Psybeam: Though other mythicals get it.
2. Teeter Dance:
3. Sing

 Keldeo:

1. Quick Guard. Though Swords of Justice get it. 
2. Double Kick: Though Swords of Justice get it.
3. Aqua Jet

Victini:

1. Focus Energy: Though Buzzwole gets it.
2. Inferno
3. Reversal: Though Buzzwole gets it.
4. Flame Burst
5. Final Gambit

Arceus:

1. Perish Song: Obtained only by Celebi and Meloetta as well.
2. Refresh: Obtained by Lati twins and Tapu Fini, however.
3. Seismic Toss: Obtained by no one.

Shaymin Sky Forme:

1. Leaf Storm
2. Quick Attack: Though a vast variety of sub-legends and mythicals get it.

Shaymin Land Forme:

1. Healing Wish: Though Meloetta, Latias and Jirachi get it.
2. Synthesis: Though Kartana gets it.

Shaymin In General:

1. Sweet Kiss
2. Worry Seed
3. Sweet Scent: Though Tapu Lele gets it.
4. Leech Seed: Though Tapu Bulu and Celesteela get it.
5. Magical Leaf: Though Virizion gets it.
6. Growth

Darkrai:

1. Feint Attack
2. Nightmare: Ignoring old TMs and Tutors
3. Haze: Though Volcanion, and Tapu Fini.
4. Nasty Plot: Though a lot of sub-legends and mythicals get it.

 Manaphy:

1. Bubble:
2. Water Sport: Though Latias gets it.
3. Charm: Though Latias and Mesprit get it.
4.  Supersonic:
5. Bubble Beam: Though Suicune and Keldeo get it.
6. Acid Armor
7. Whirlpool: Though Tapu Fini gets it.

Deoxys:

1. Psycho Shift: Though Lati-twins and Cresselia get it.
2. Pursuit:  Though Marshadow gets it.
3. Wrap: Though Xurkitree gets it.
4. Leer: Though a lot of sub-legendaries get it.

Jirachi:

1. Last Resort: Though Azelf gets it.
2. Helping Hand: Though a lot of sub-legendaries get it.
3.  Wish: Though Latias gets it.

Celebi:

1. Heal Block: Though Thundurus gets it.
2. Baton Pass
3. Heal Bell

Mew:

1. Metronome
2. Reflect Type: Though Latias gets it.
3. Pound: Though Nihilego gets it.