Donphan @ Leftovers
Ability: Sturdy
Adamant Nature
EV's: 252 KP / 252 Atk / 4 Def
-Earthquake
-Seed Bomb
-Ice Shard
-Endeavor
252+ Atk Houndoom Crunch vs. 252 HP / 4 Def Donphan: 96-114 (25 - 29.6%) -- guaranteed 4HKO
252+ Atk Donphan Earthquake vs. 0 HP / 0 Def Houndoom: 588-692 (202 - 237.8%) -- guaranteed OHKO