Changes
The part about attacks not being negated isn't true. Mirror Force Dragon's effect works exactly like the actual trap does when I tested it in YGOPro. It negated attacks when the attacking monster left the field.
* This card effect's essentially renders any opposing "[[Number 101: Silent Honor ARK]]" useless, since you can destroy that monster before this card gets attached.
* Please note that the effect or attack that triggers this card's effect will not be negated; targets of such cards as "[[Mystical Space Typhoon]]" and "[[Compulsory Evacuation Device]]" will still end up leaving the field.
** Also note that the current errata of this card has no restriction on how many times per turn it can activate its effect.
* Counter this card using non-targeting card effects such as "[[Dark Hole]]", or by using cards that do target while you control few or no cards, such as activating "Compulsory Evacuation Device" while that is the only card you control.
** Alternatively, you could simply attack this card using monsters that would be immune to destruction by card effects, such as "[[Beelze of the Diabolic Dragons]]".
