Magic: The Gathering Comprehensive Rules Changes - Future Sight to Core Set - Tenth Edition

Old rule (Future Sight)	New rule (Core Set - Tenth Edition)
600.5. [Click to view all changes.]
	600.5. In a multiplayer game, the first time a player takes a mulligan, he or she draws a new hand of seven cards rather than six cards. Subsequent hands decrease by one card as normal. The Two-Headed Giant variant employs more extensive changes to the mulligan rule; see rule 606.6a.

Old rule (Future Sight)

New rule (Core Set - Tenth Edition)

600.5.

In a multiplayer game, the first time a player takes a mulligan, he or she draws a new hand of seven cards rather than six cards. Subsequent hands decrease by one card as normal. The Two-Headed Giant variant employs more extensive changes to the mulligan rule; see rule 606.6a.