>>49932444Easy. In Unite Moves.
>Mega EvolutionBlazikens Unite involve it going Mega.
>Z-Moves Primarinas Unite is Oceanic Operetta. (You can control where it goes and where it detonates)
>DynamaxRillaboom Gmaxs during Unite move.
Or make Mega Evolution and Z Crystals items. Mega Stones are a battle item, Z-Crystals are a Held Item. Any mon capable of Mega Evolution, mega evolves during Unite Move. Reverts back to normal after post Unite buff is gone. Z-Moves can probably be an mini Unite Move that can be used with one of your moves. But the cost is longer cool down. For example if a Decidueye has Razor Leaf or Leaf Storm, just activate the held item and fire off the grass type Z Move.