Method canUntap

forge-game/src/main/java/forge/game/card/Card.java:4725–4736

(Player phase, boolean predict)

    }

    public final boolean canUntap(Player phase, boolean predict) {
        if (!predict && !tapped) { return false; }
        if (phase != null && isExertedBy(phase)) {
            return false;
        }
        if (phase != null && hasKeyword("This card doesn't untap during your next untap step.")) {
            return false;
        }
        Map<AbilityKey, Object> runParams = AbilityKey.mapFromAffected(this);
        runParams.put(AbilityKey.Player, phase);
        return !getGame().getReplacementHandler().cantHappenCheck(ReplacementType.Untap, runParams);
    }

    public final boolean untap() {
        return untap(null);