Deowyn, Holy Armorer

Indestructible
Whenever a creature enters the battlefield under
your control, create a copy of that creature with
haste. Sacrifice it at the end of your turn if it
attacked this turn.
Whenever a creature you control attacks, it gains
+2/+0 until end of turn. Whenever a creature
you control blocks, it gains +0/+2 until end of
turn.