Heatran @ Leftovers
Ability: Flash Fire
EVs: 148 SDef / 248 HP / 112 Def
Modest Nature
- Lava Plume
- Protect
- Roar
- Stealth Rock
Gliscor @ Toxic Orb
Ability: Poison Heal
EVs: 252 Def / 156 HP / 100 Spd
Impish Nature
- Toxic
- Substitute
- Earthquake
- Taunt
Goodra @ Assault Vest
Ability: Gooey
EVs: 4 SAtk / 252 HP / 252 SDef
Calm Nature
- Dragon Pulse
- Sludge Bomb
- Flamethrower
- Thunderbolt
I'm just wondering how this defensive core I've just thrown together will work. Gliscor for physical, Goodra for special, and Heatran for ice, fairies and dragons.