Water pump: No initial cost, but uses
per turn. Cards with an HP below 4 are considered submerged, and have a chance to drown if they are non-water and non-neutral.
Improved pump: No initial cost, but uses
per turn. Cards with an HP below 6 are considered submerged, and have a chance to drown if they are non-water and non-neutral.
Exact chance to die: 1-e^(- 0.3 (HP difference))
Is this a good idea?