Neeko, The Curious Chameleon

Changeling (This card is every creature subtype.)

Grant all creatures you control who share a subtype with Neeko +1/+1.

Level up (When Neeko attacks, if you control creatures with 6 or more different subtypes, grant Neeko +1/+1, flying, and "When Neeko attacks, grant all creatures you control that share a subtype with Neeko +1/+1.")