Method setLayerTimestamp

forge-game/src/main/java/forge/game/card/Card.java:6815–6817

(final long t)

        return layerTimestamp;
    }
    public final void setLayerTimestamp(final long t) {
        layerTimestamp = t;
    }

    public boolean equalsWithGameTimestamp(Card c) {
        return equals(c) && c.getGameTimestamp() == gameTimestamp;