Withdraw | Magic: The Gathering
Formats Withdraw is Legal in
Official Oracle Text for Withdraw
Official Rulings for Withdraw
10/4/2004 : The two creatures may have different controllers.
10/4/2004 : Must target two different creatures.
10/4/2004 : You choose on announcement which creature is the one that can be paid to prevent the effect. The payment itself is made on resolution (if at all).