Discard? Blossoming defense... I think the monument is just extra and likely taking up spots that could be used for something else. Also you guys are pretty fat and maybe you don't need the key either. A way to bring all dead crocs back would be nice. I don't know.
4Baleful Ammit
4Ammit Eternal
4Crocodile of the crossing
4Tenacious Hunter
4Metalic Mimic
4Rhona's Monument
3Key to the City
What else can we add to this hilarious pile?