I have Yodin Zaku as a Summoner. I tend to find that he is hard to beat in higher mana battles, but in lower mana battles it is depth in numbers and quick speeds that work well.

As he gives a +1 in ranged attack, i tend to make a lot of my back cards ranged attack. If you can get rid of my Living Lava, then you have a good chance to rip through the rest of the deck.

Hope that bit of insight helps :-)