Bioness
Mass Hysteria
Bioness's Creature:
Plus, I feel like you have a much better chance of finding him on a mystery island then earning enough miles to purchase hundreds of NMT.
People are trading for the NMTs. Raymond has a 1 in 805 chance (35 species x 23 cats) of appearing on a mystery island.
With 400 Island visits you have a 39.18% of finding him. You don't get a 50% chance until you use 558 tickets.