Do anything the attack requires you to do to use it
P/T Number 41 Language English Legal Formats Brawl, Commander, Competitive Brawl, Historic, Legacy, Modern, Pioneer, Timeless, Vintage Not Legal Formats Alchemy, Pauper, Standard Rulings (7/13/2016) You can tap any three untapped Zombies you control, including ones you haven't controlled continuously since the beginning of your most recent turn, to pay the cost of Cryptbreaker's second activated ability
Proxies level the playing field, allowing casual players to enjoy Reserved List classics, cEDH pilots to test optimized lists, and collectors to keep their expensive originals safe at home while playing with proxies in public
Seeing as Moonshae is based on Celtic mythology, the troublesome pixie fits in well here