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I think Battle Bond Greninja is super slept on in this meta since it only procs once per battle but that's enough to make it work.
Greninja-Bond (M) @ Petaya Berry
Ability: Battle Bond
Tera Type: Water
EVs: 252 SpA / 4 SpD / 252 Spe
Timid Nature
- Substitute
- Ice Beam
- Sludge...