Retribution of the Ancients
Oracle Text
, Remove X +1/+1 counters from among creatures you control: Target creature gets -X/-X until end of turn.
Card Rulings
9/20/2014 Once you announce that you are activating the ability of Retribution of the Ancients, no player may take any actions before you pay its costs. Notably, opponents can’t try to remove a creature with counters on it to stop you from paying.
Comments