Perfect Harmony

Dawn Star Dragon of Perfect Harmony
*9 Dragon/Synchro/Effect Light 2500/2500
1 Tuner monster + 1 more more non-tuner monsters
If this card is successfully Synchro Summoned, you can pay 1000 life points; face-up cards on the field cannot be destroyed by battle or by card effects until the end of your opponent's next turn. If a card effect would remove 2 or more cards from the field, you can banish this face-up card to negate the effect and flip all face-up monsters on the field into face-down defense position.

EMSOUP wrote:Dawn Star Dragon of Perfect Harmony
*9 Dragon/Synchro/Effect Light 2500/2500
1 Tuner monster + 1 more more non-tuner monsters
If this card is successfully Synchro Summoned, you can pay 1000 life points; face-up cards on the field cannot be destroyed by battle or by card effects until the end of your opponent's next turn. If a card effect would remove 2 or more cards from the field, you can banish this face-up card to negate the effect and flip all face-up monsters on the field into face-down defense position.

Very interesting. I think the second effect is a little to easy to get around. Maybe add "If this effect is during your opponent's turn, those monsters cannot change their battle positions this turn".

"They cannot be Flip Summoned this turn" would probably be easier to understand