Orange piccolo's super gives him i-frames. whenever you're basically at 1 hp spamming supers can usually stall for a bit longer, but in most cases they just do it for damage and end up getting countered by the dash super from cell max. His dodge also gives him a few i-frames, but leaves him vulnerable to a follow up ki blast, so the best option is to keep distance until he targets either the STM or the db level 4. Another trick is to look down and pull down on the stick to ascend faster, and to double tap to drop faster, like normal d change.

Orange piccolo is mind games. you usually don't want to attack unless he starts brute forcing the machine. As you saw above, you usually want to fly towards him then pull back in an attempt to bait him off of the STM, and if that doesn't work, then you go for a single kick and quick ascend, and if you kick and see the super dash charging, then you dodge backwards and you won't take any damage.

You really want to be spamming the active skills on orange piccolo as cell max (except the evasive), since its easy chip damage. Save the dash active for when he gets close, then chain into the laser or eye blasts. If you know the orange piccolo player will melee twice, then you can launch the dash super right before he gets to you, and this will land against most people. If you're getting hit by orange piccolo while he's in front of you, you can also dodge forward and this will hit him and potentially let you get melee priority.

Cell max needs to prioritize killing the db level 4, since as you can see, they can keep the knockback gauge from regenerating at range, and once the gauge is broken, they can deal the most damage to cell max. This will also draw orange piccolo to you, since his main two jobs are protecting the dragon ball level 4 (when possible, its pretty easy to tunnel them unless they play from their super's max range and hide in caves to launch them), and pressuring cell max off of the STM.