I thought that BioShock: Infinite was the best of the trilogy, just, as all three were amazing games each in their own way. I found that the combat in Infinite, combining guns and melee with Vigors, it was fun and interesting. Booker helped with his comments and converse mid-battle with Elizabeth. All in all I really enjoyed the game.
Clash in the Clouds is primarily a combat based DLC. There are 4 arenas that are used: Ops Zeal based in Finkton, the smallest of the four arenas crisscrossed with Sky-Lines.