Sleyna, Shifting Conjurer

+2: Create a 1/1 colourless Shapeshifter creature token with changeling and "This creature gets +1/+1 for each other Shapeshifter you control."
+1: Until end of turn, Sleyna, Shifting Conjurer becomes a copy of another target creature you control and gains indestructible.
-5: Target permanent you control becomes a copy of another target permanent on the battlefield that shares a type with it.