Moraiv, Blade of Boros

Partner with Zukas, Legion Redeemer
Equipment and Aura spells you cast cost {1} less to
cast for each time you have cast Moraiv from the
command zone.
When you cast an Equipment spell, draw a card.
Do this only once per turn.
When you cast an Aura spell, draw a card.
Do this only once per turn.