Goliathpseudopodia
This cell is much larger than Protosagania. It has lost its ability to photosynthesize and instead envelopes its prey usually single-celled plants and slower moving single-celled animals with its large pseudopods. Occasionally it manages to catch faster animals, like the Protomancerxia Binarflagella, but that's usually only by luck. It has no color.