Check out the Pokémon Handbooks from Bulbapedia!

PP	Power	Accuracy	Target
10	100	90%	May affect anyone adjacent to the user

Deals damage, then lowers the user's Speed by 1 stage.

Eligible Pokémon

Pokemon	Type	Level
Rhydon	Ground	1
Rhydon Evo	Ground	1
Sudowoodo	Rock	50
Ursaring	Normal	1
Ursaring	Normal	67
Swampert	Water	63
Swampert	Water	1
Slaking	Normal	1
Slaking	Normal	61
Metagross	Steel	1
Metagross Evo	Steel	1
Regirock	Rock	49
Regice	Ice	49
Registeel	Steel	49
Groudon	Ground	80
Rhyperior	Ground	1
Emboar	Fire	1
Timburr	Fighting	40
Gurdurr	Fighting	45
Conkeldurr	Fighting	45
Standard Mode Darmanitan	Fire	1
Standard Mode Darmanitan Evo	Fire	1
Golett	Ground	55
Golurk	Ground	61
Incarnate Forme Tornadus	Flying	1
Incarnate Forme Tornadus	Flying	73
Incarnate Forme Thundurus	Electric	1
Incarnate Forme Thundurus	Electric	73
Therian Forme Thundurus	Electric	1
Therian Forme Thundurus	Electric	73
Incarnate Forme Landorus	Ground	1
Incarnate Forme Landorus	Ground	73
Chesnaught	Grass	72
Chesnaught	Grass	1
Diggersby	Normal	1
Diggersby	Normal	60
Pangoro	Fighting	70
Pangoro	Fighting	1
Stufful	Normal	32
Bewear	Normal	36
UB-02 Absorption	Bug	47
UB-05 Glutton	Dark	43

Pokemon	Type	TM

Move	Type