(Thanks for the reminder and for teaching me something new about Inner Focus.)
"A hit for a hit. We'll take that trade."
Alolan Muk: Foul Play (Arcanine) - Foul Play (Arcanine)
IF Arcanine has the effect Protection at the start of Alolan Muk's turn, AND NOT Mist is active on The Stat Trainers' side of the field, use Acid Spray (Wailord) instead and push down.
IF Arcanine has the effect Protection at the start of Alolan Muk's turn, AND NOT Safeguard is active on The Stat Trainers' side of the field, use Toxic (Wailord) instead and push down.
IF Arcanine is KOed at the start of Alolan Muk's turn, AND NOT Mist is active on The Stat Trainers' side of the field, use Acid Spray (Wailord) instead.
IF Arcanine is KOed at the start of Alolan Muk's turn, Chill instead.
Dragonite: Extreme Speed (Arcanine) - Chill
[Check at Priority +2] IF Arcanine has more than 11 HP, use Dragon Rage (Arcanine) that step.
IF Arcanine has the effect Protection at the start of your turn, Chill and push down.
KO Sub: IF Arcanine is KOed at the start of Dragonite's turn, Chill instead.

"A hit for a hit. We'll take that trade."
Alolan Muk: Foul Play (Arcanine) - Foul Play (Arcanine)
IF Arcanine has the effect Protection at the start of Alolan Muk's turn, AND NOT Mist is active on The Stat Trainers' side of the field, use Acid Spray (Wailord) instead and push down.
IF Arcanine has the effect Protection at the start of Alolan Muk's turn, AND NOT Safeguard is active on The Stat Trainers' side of the field, use Toxic (Wailord) instead and push down.
IF Arcanine is KOed at the start of Alolan Muk's turn, AND NOT Mist is active on The Stat Trainers' side of the field, use Acid Spray (Wailord) instead.
IF Arcanine is KOed at the start of Alolan Muk's turn, Chill instead.
Dragonite: Extreme Speed (Arcanine) - Chill
[Check at Priority +2] IF Arcanine has more than 11 HP, use Dragon Rage (Arcanine) that step.
IF Arcanine has the effect Protection at the start of your turn, Chill and push down.
KO Sub: IF Arcanine is KOed at the start of Dragonite's turn, Chill instead.