An activated mana ability doesn’t go on the stack, so it can’t be targeted, countered, or otherwise responded to. Rather, it resolves immediately after it is activated. (See rule 405.6c.)
January 25, 2019 · Ravnica Allegiance
An activated mana ability doesn't go on the stack, so it can't be targeted, countered, or otherwise responded to. Rather, it resolves immediately after it is activated. (See rule 405.6c.)
February 1, 2014 · Born of the Gods
An activated mana ability doesn’t go on the stack, so it can’t be targeted, countered, or otherwise responded to. Rather, it resolves immediately after it is activated. (See rule 405.6c.)
September 30, 2011 · Innistrad
An activated mana ability doesn't go on the stack, so it can't be targeted, countered, or otherwise responded to. Rather, it resolves immediately after it is activated. (See rule 405.6c.)
June 17, 2011 · Commander 2011
An activated mana ability doesn’t go on the stack, so it can’t be targeted, countered, or
April 1, 2011 · Duel Decks: Knights vs. Dragons
An activated mana ability doesn't go on the stack, so it can't be targeted, countered, or otherwise responded to. Rather, it resolves immediately after it is activated. (See rule 405.6c.)
February 4, 2011 · Mirrodin Besieged
An activated mana ability doesn’t go on the stack, so it can’t be targeted, countered, or otherwise responded to. Rather, it resolves immediately after it is activated. (See rule 405.6c.)
October 1, 2010 · Scars of Mirrodin
An activated mana ability doesn’t go on the stack, so it can’t be targeted, countered, or
February 1, 2010 · Worldwake
An activated mana ability doesn't go on the stack, so it can't be targeted, countered, or otherwise responded to. Rather, it resolves immediately after it is activated. (See rule 405.6c.)