I've been doing some testing with Chrysaora decks and so far I've had better results with something like this (even with less upgrades);
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52o 52o 52o 52o 52o 52o 52q 542 5i5 5i5 5i5 5i5 5i5 5i5 5ig 5io 5jm 5jm 5jm 5jm 5jm 5jm 5jm 5jm 5jm 5jm 5jm 71b 71b 71b 8pk
With the more water based versions its a struggle to get out some of the more expensive creatures once a Discord comes out and then I get rushed. With the 'deathier' version I've often been able to get a wall up before they get enough quanta for Discord and its usually seems to stall for long enough for the poison to kill. I understand if we don't have the pends available for this though.