Prowess turns all your Opts and Impulses into little combat tricks and that really lets you play some magic
It's fun to show your stuff
1 Anti-Venom, Horrifying Healer 2 Arachne, Psionic Weaver 3 Aunt May 4 City Pigeon 5 Costume Closet 6 Daily Bugle Reporters 7 Flash Thompson, Spider-Fan 8 Friendly Neighborhood 9 Origin of Spider-Man 10a Peter Parker 10b Amazing Spider-Man 11 Rent Is Due 12 Selfless Police Captain 13 Silver Sable, Mercenary Leader 14 Spectacular Spider-Man 15 Spectacular Tactics 16 Spider-Man, Web-Slinger 17 Spider-UK 18 Starling, Aerial Ally 19 Sudden Strike 20 Thwip
Here we have a twist on the Sphinxs Revelation aspect of the RIX Azor, and a twist on Elenda the Dusk Rose that makes Vampire Knight tokens
While they do get bounced to your hand, in most Blue-White decks thats way better than having them go to the graveyard
Flashback cards have the flashback keyword ability, which is only found on two card types, instants and sorceries