2024-06-07
If you cast a spell with demonstrate and both you and an opponent copy it, the opponent's copy will resolve first, then your copy will resolve, and finally the original spell will resolve.

2024-06-07
If you cast the spell and choose not to copy it, no opponent will get to copy it either.

2024-06-07
If the spell had an X value chosen for it as it was cast, the copies will have the same value of X.

2024-06-07
If any additional or alternative costs were paid to cast the spell with demonstrate, the copies will see those choices as well. For example, if the spell has a kicker ability and was kicked, the copies will also be kicked

2024-06-07
Resolving copies of permanent spells become tokens as they enter the battlefield. These tokens are not considered "created" when this happens.

2024-06-07
You choose whether to make a copy as the demonstrate ability resolves. This happens before the original spell resolves. Your copy goes on the stack above the original spell.

2024-06-07
If you copy a spell with demonstrate, you then immediately choose an opponent. If they copy the spell, it goes on top of the stack.