Replacement effects must exist before the appropriate event occurs—they can’t “go back in time” and change something that’s already happened. Spells or abilities that generate these effects are often cast or activated in response to whatever would produce the event and thus resolve before that event would occur.
January 25, 2019 · Ravnica Allegiance
Replacement effects must exist before the appropriate event occurs-they can't "go back in time" and change something that's already happened. Spells or abilities that generate these effects are often cast or activated in response to whatever would produce the event and thus resolve before that event would occur.
May 1, 2014 · Journey into Nyx
Replacement effects must exist before the appropriate event occurs—they can’t “go back in time” and change something that’s already happened. Spells or abilities that generate these effects are often cast or activated in response to whatever would produce the event and thus resolve before that event would occur.
February 1, 2014 · Born of the Gods
Replacement effects must exist before the appropriate event occurs -- they can’t "go back in time" and change something that’s already happened. Spells or abilities that generate these effects are often cast or activated in response to whatever would produce the event and thus resolve before that event would occur.
September 30, 2011 · Innistrad
Replacement effects must exist before the appropriate event occurs -- they can't "go back in time" and change something that's already happened. Spells or abilities that generate these effects are often cast or activated in response to whatever would produce the event and thus resolve before that event would occur.
June 17, 2011 · Commander 2011
Replacement effects must exist before the appropriate event occurs—they can’t “go back in
April 1, 2011 · Duel Decks: Knights vs. Dragons
Replacement effects must exist before the appropriate event occurs -- they can't "go back in time" and change something that's already happened. Spells or abilities that generate these effects are often cast or activated in response to whatever would produce the event and thus resolve before that event would occur.
February 4, 2011 · Mirrodin Besieged
Replacement effects must exist before the appropriate event occurs—they can’t “go back in time” and change something that’s already happened. Spells or abilities that generate these effects are often cast or activated in response to whatever would produce the event and thus resolve before that event would occur.
October 1, 2010 · Scars of Mirrodin
Replacement effects must exist before the appropriate event occurs—they can’t “go back in
February 1, 2010 · Worldwake
Replacement effects must exist before the appropriate event occurs -- they can't "go back in time" and change something that's already happened. Spells or abilities that generate these effects are often cast or activated in response to whatever would produce the event and thus resolve before that event would occur.