Text (UG+errata): 2/2. ; Whenever you roll a 3 on a six-sided die, you may reroll that die. [Oracle 2009/07/08]
Use the ability right after the original roll, before any effects of that roll. You can't use it later on. The new roll is now used in its place. [Barclay 1998/08/13]
This ability is played in the Betting Window. [Barclay 1998/08/13] Any "betting window" ability may be played during the middle of the resolution of another spell or ability.
All tournament formats have banned cards from Unglued.
