How to use Yodin with low mana?

Hi everyone!

Is this a good exemple of how to use Yodin with less than 20 mana? Do you guys have any other cards to sugest?

In this case with 16 mana, abilities like Swiftness, strenghten, slow are core of this strategy:

This way you can make sure that enemy units are going to die first, raising our ANT hp and lefting our backline alive:

Halfling alchemist is very good against Last Stand users, and other monsters with atk+heal:

Any other super cards that would fit on this strategy? Let me know and thanks for reading!