If a creature has multiple instances of annihilator, each triggers separately.
May 3, 2019 · War of the Spark
Each card printed with a level up ability is known as a leveler card. It has a nonstandard layout and includes two level symbols that are themselves keyword abilities. See rule 710, “Leveler Cards.”
January 25, 2019 · Ravnica Allegiance
Each card printed with a level up ability is known as a leveler card. It has a nonstandard layout and includes two level symbols that are themselves keyword abilities. See rule 710, "Leveler Cards."
May 1, 2014 · Journey into Nyx
Each card printed with a level up ability is known as a leveler card. It has a nonstandard layout and includes two level symbols that are themselves keyword abilities. See rule 710, “Leveler Cards.”
July 13, 2013 · Magic 2014
Each card printed with a level up ability is known as a leveler card. It has a nonstandard layout and includes two level symbols that are themselves keyword abilities. See rule 710, "Leveler Cards."
May 1, 2012 · Avacyn Restored
Casting a card without paying its mana cost as the result of a rebound ability follows the rules for paying alternative costs in rules 601.2b and 601.2e-g.
February 1, 2012 · Dark Ascension
Casting a card without paying its mana cost as the result of a rebound ability follows the rules for paying alternative costs in rules 601.2b and 601.2e - g.
September 30, 2011 · Innistrad
Casting a card without paying its mana cost as the result of a rebound ability follows the rules for paying alternative costs in rules 601.2b and 601.2e-g.
June 17, 2011 · Commander 2011
Casting a card without paying its mana cost as the result of a rebound ability follows the