Autumn, the Indestructible

First strike, deathtouch, reach
Knight spells you cast cost {1} less to cast.
{6}{t}:Search your library for two cats and
/or two knight creature cards with total
converted mana cost 8 or less, put them
into your hand, then shuffle your library.
Autumn, the Indestructible gets +1/+1 for
each knight you control.