The phytohydra is a hydra-like plant that spits venom at zombies, and if one head is eaten, then 3 more take its place.

it sun cost is x, which is the number of phytohydra's you have on the field, each head can resist 3 bites and their heads venom has medium range and does moderate damage and the heads can instant kill any zombie(except gargantuars)by eating them