Whitman, The Every-Man

When Whitman, the Every-Man blocks or is
blocked, opposing creature becomes a 1/1 colorless
Newmin creature with When this creature blocks or
is blocked, opposing creature becomes a 1/1 colorless
Newmin creature with the same ability and loses all
other abilities, card types, and creature types and loses
all other abilities, card types, and creature types

Fated Lovers (you can have two commanders if
Lary, Speaker of the Universe is your other
commander)