Card with Equal Height Layout??

<!-- Container -->
<div class="row">

    <!-- Column -->
    <div class="col-md-4 mb-4 d-flex align-items-stretch">

        <!--Card-->
        <div class="card">

            <!--Card image-->
            <div class="view">
                <img src="https://mdbootstrap.com/img/Photos/Horizontal/Nature/6-col/img%20(132).jpg" class="img-fluid" alt="">
                <a href="#">
                    <div class="mask rgba-white-slight"></div>
                </a>
            </div>

            <!--Card content-->
            <div class="card-body">
                <!--Title-->
                <h4 class="card-title">Card title</h4>
                <!--Text-->
                <p class="card-text">At vero eos et accusamus et iusto odio dignissimos ducimus qui blanditiis praesentium voluptatum deleniti atque corrupti quos dolores et quas molestias excepturi sint occaecati cupiditate non provident, similique sunt in culpa qui officia deserunt mollitia animi, id est laborum et dolorum fuga. Et harum quidem rerum facilis est et expedita distinctio. Nam libero tempore, cum soluta nobis est eligendi optio cumque nihil impedit quo minus id quod maxime placeat facere possimus, omnis voluptas assumenda est, omnis dolor repellendus.</p>
            </div>

        </div>
        <!--/.Card-->

    </div>
    <!-- Column -->

    <!-- Column -->
    <div class="col-md-4 mb-4 d-flex align-items-stretch">

        <!--Card-->
        <div class="card">

            <!--Card content-->
            <div class="card-body">
                <!--Title-->
                <h4 class="card-title">Card title</h4>
                <!--Text-->
                <p class="card-text">Temporibus autem quibusdam et aut officiis debitis aut rerum necessitatibus saepe eveniet ut et voluptates repudiandae sint et molestiae non recusandae. Itaque earum rerum hic tenetur a sapiente delectus, ut aut reiciendis voluptatibus maiores alias consequatur aut perferendis doloribus asperiores repellat.</p>
                <p class="card-text">Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.</p>
            </div>

        </div>
        <!--/.Card-->

    </div>
    <!-- Column -->

    <!-- Column -->
    <div class="col-md-4 mb-4 d-flex align-items-stretch">

        <!--Card-->
        <div class="card">

            <!--Card image-->
            <div class="view">
                <img src="https://mdbootstrap.com/img/Photos/Horizontal/Nature/6-col/img%20(133).jpg" class="img-fluid" alt="">
                <a href="#">
                    <div class="mask rgba-white-slight"></div>
                </a>
            </div>

            <!--Card content-->
            <div class="card-body">
                <!--Title-->
                <h4 class="card-title">Card title</h4>
                <!--Text-->
                <p class="card-text">Some quick example text to build on the card title and make up the bulk of the card's content.</p>
            </div>

        </div>
        <!--/.Card-->
        
    </div>
    <!-- Column -->

</div>
<!-- Container -->