Look at the top 5 cards of your deck. From among them, you may summon any number of followers that cost 3 or less each, up to a total cost of 7. Put the rest on the bottom of your deck in any order.
QIf I summon Mars, Silent Flame General and Mach Knight with this spell, does Mach Knight gain +1 attack due to Mars, Silent Flame General's ability?
AYes, it does.
QIf I summon multiple followers with Fanfare abilities with this spell, in what order do I resolve them?
ASince they are summoned at the same time, you may resolve them in any order. First, resolve Courtly Dance. Then, resolve any Fanfare abilities with satisfied conditions in whatever order.