Sending out Hydreigon
Hydreigon: Taunt (Togekiss) - Acrobatics (Tomohawk) - Dragon Pulse (Tomohawk)
If Tomohawk attempts to Taunt, Protect the first time and U-turn the second time
If Togekiss attempts to use Thunder Wave, Protect unless you are under the effects of Taunt or unless you've been forced to U-turn because of the substitution above.
If Tomohawk dies, change all your remaining actions to Stone Edge (Togekiss), but still check for substitutions.
Metagross: Psychic (Tomohawk) - Psyshock (Tomohawk) - Psychic (Tomohawk)
If Togekiss attempts to use a damaging Fire-type attack against Metagross on A1, replace your action with Protect and push your actions back.
If Hydreigon uses Protect on A1 and the aforementioned substitution isn't called in play, use Explosion+Explosion.