Manaphy@Leftovers
Modest nature
EVs: 252 Satk, 252 Spd, 6HP
-Tail Glow
-Surf
-Ice Beam
-Grass Knot
Prepare sweeping with 1 or 2 tail glows and commence sweeping.
Are you planning on evolving that dratini?
I'll post 2 sets then.
This is if you keep it as a dratini
Dratini@Leftovers/Focus Band
Naughty nature
EVs: 100 HP, (152 Def, 152 SDef, 106 Atk or 205 Def , 205 SDef)
-Thunder Wave
-Outrage/Toxic
-Attract
-Substitute
Attract, Thunder wave, then substitute, kill off with outrage or Toxic, Outrage, because of skin shed.
now if it's gonna become dragonite,
Dragonite@Life orb/Muscle band/leftovers/Persim Berry
Naughty Nature
EVs: 252 Atk, 252 Spd, 6 HP
-Outrage/Dragon Claw
-Dragon Dance
-Thunder punch
-Earthquake
Dragon Dance once or twice and sweep, use persim berry if Outrage is used.
Regice@Leftovers
Quiet Nature
EVs: 252 HP, 252 Satk, 6 SDef
-Ice Beam
-Thunderbolt
-Thunder Wave
-Rest
Groudon@Salac Berry
Adamant Nature
EVs: 252 Atk, 252 Spd, 6 HP
-Overheat
-Earthquake
-Stone Edge
-Dragon Claw (IDK?)
I'm not too sure about Heatran, but I'll try
Heatran@Choice Specs/Scarf
Mild Nature
EVs: 252 Satk, 252 Spd, 6HP
-Flamethrower/Flame Plume
-Earth power
-Dragon pulse
-Flash Cannon
IDK about heatran so good luck