You can use the Dragon Strike / Demacian Standard combo to get out of your own Cataclysm arenas.
Split your basic attacks on different champions at the beginning of fights to maximize damage.
Use Demacian Standard as a scouting tool when worried about incoming enemies.
Keep out of the path between Jarvan IV and his Demacian Standard to avoid being knocked up in the air.
Cataclysm's terrain is a frightening force to fight against, but movement abilities can go through it.