24 Jan 2013
If you choose the first mode, no creature without flying will be able to block that turn, including creatures that lose flying and creatures without flying that enter after Gruul Charm resolves.
24 Jan 2013
A token is owned by the player under whose control it entered.
24 Jan 2013
If you choose the second mode, Gruul Charm's effect will override any other control-changing effects on those permanents.