Well for starters this is a 'Rate My Team' category, so we (people who try to rate teams) don't often give you moves for your pokes. If you post moves, natures, held items and abilities you have selected for your team, we can tell you if it would work and what could be modified to improve it. (also posting stats isnt really nesscary)
But, i have little much else to do so i will try and help ^_^
A standard Blissey:
Blissey@Leftovers
Nature: Bold
Ability: Natural Cure
EV: (if applicable, they dont seem to be here)
---Softboiled
---Thunderbolt
---Ice Beam
---Calm Mind
Well, not 100% standard (since Siesmic Toss is used more ofteh than not) but I like this set.
NOTE: I dont know much about PorygonZ but this is what I have planned so far for another team of mine...maybe it will help ^_^
PorygonZ@Life Orb
Nature: Modest
Ability: Adaptability (Double Stab)
EV Spread: As Above
---Psychic
---Recover
---Nasty Plot
---Hyper Beam
Hope that helps ^_^