Amren, Battlefield Scrounger

Delve (Each card you exile from your graveyard
while casting this spell pays for {1}.)
When Amren, Battlefield Scrounger enters the
battlefield, if you cast it from your hand, return
up to one target Aura or Equipment card with
mana value X from a graveyard to the battlefield
attached to Amren.
"Let's make the ancestors proud."