An interesting Stakeout set I've been using a bit is with Doom Desire.
Dialga @ Safety Goggles/Steelium Z
EVs: 252 HP / 252 Atk / 252 Def / 252 SpA / 252 SpD
IVs: 0 Spe
- Doom Desire
- Core Enforcer
- Dragon Tail
⠀⠀Min speed and lvl...