3 attacks + roost Charizard Mega-X
Charizard @ Charizardite X
Ability: Blaze
EVs: 252 Atk / 4 SpD / 252 Spe
Jolly Nature
- Flare Blitz
- Dragon Claw
- Earthquake
- Roost
This is pretty simple. Zard comes in, not worying about any of Tran's if healthy (earth power is a 2HKO), and can OHKO Tran with Earthquake. The only thing that hurts Zard in the long run is toxic, but as long as you swtich every 1-2 turns and roost alot, you should be fine.
calcs:
252 Atk Charizard-Mega-X Earthquake vs. 252 HP / 0 Def Heatran: 416-492 (107.7 - 127.4%) -- guaranteed OHKO
4 SpA Heatran Earth Power vs. 0 HP / 4 SpD Charizard-Mega-X: 186-220 (62.6 - 74%) -- guaranteed 2HKO