I just thought of the best Wombo Combo with Galio!
ults in, Galio ults to Sion's location, knocks up everyone that dodged Sion or knocks everyone up again. ALL THE CC!
https://media.tenor.co/images/756048bafef7e23495dd1d31c7350b4d/raw
...
And throw in 
because he has the key to killing everyone.
https://media.tenor.co/images/7e57d32650dad6cabc5dec053bb3bec2/tenor.gif
