Ultra Necrozma VS Arceus

Ability: Battle of gods

You can switch between Ultra necrozma and Arceus as often as you like during your turn at the cost of 2 of any energy. Each turn all pokemon on your and opponents team suffer 40 damage do to their overwhelming power

Judgement clash • 160+

this attack dose 30 damage to all other pokemon on your and opponents team

Power and Might • 300+

If you are using Arceus this attack dose 30 more damage and reduces healing effect by 40% If you are using Ultra Necrozma this attack dose 40 more damage and prevents your opponenst pokemon from attacking for 1 turn