Flux

Sorcery    (CMC:3)

Each player chooses and discards from his or her hand any number of cards and then draws that many cards. You then draw a card. (You choose first.)

PO • ENTed Naifeh

™ & © 1993—1997 Wizards of the Coast

Legal in: Mirage Block,Legacy,Vintage,Commander

Oracle Text (click to copy):

10/4/2004
The discard is forced even though you choose how many to discard.
4/1/2008
Each player chooses how many cards he or she would like to discard. That number may be 0.