package mage.abilities.keyword; import java.io.ObjectStreamException; import mage.abilities.MageSingleton; import mage.abilities.StaticAbility; import mage.constants.Zone; /** * * @author BetaSteward_at_googlemail.com */ public class DoubleStrikeAbility extends StaticAbility implements MageSingleton { private static final DoubleStrikeAbility instance = new DoubleStrikeAbility(); private Object readResolve() throws ObjectStreamException { return instance; } public static DoubleStrikeAbility getInstance() { return instance; } private DoubleStrikeAbility() { super(Zone.BATTLEFIELD, null); } @Override public String getRule() { return "double strike"; } @Override public DoubleStrikeAbility copy() { return instance; } }