The rarity of Manta Marauder is Mythical, and been equipped it takes a “Bundle” slot. At this moment the item is available for trade.
Manta Marauder is a skin for Batrider. The skin was added to the game on May 17, 2017, it was created by DNADota.
Manta Marauder has been recently added to the game, which makes it rather popular with the game community.