Hmmm... mass freeze for 1
is going to be situationally OP I think. The flooding requirement isn't that hard to overcome, it just makes a forced combo.
The good point on that particular forced combo is that it should only really affect 5 enemies at a time in most cases... I still think that 1
is far to inexpensive for that effect, however.
Maybe bump the upgraded price a bit?
I think this would make a very amusing combo in a flown gladius deck.
I'ld probably end up using material pillars and a light mark.