Elladan and Elrohir

Partner with Elladan and Elrohir (When this
creature enters the battlefield, target player may put
Elladan and Elrohir into their hand from their
library, then shuffle.)
First strike (This creature deals combat damage
before creatures without first strike.)
If there are exactly two permanents named
Elladan and Elrohir on the battlefield, the
"legend rule" doesn't apply to them.