Tenebrum, Mental Shortage

Menace, indestructible
When Tenebrum, Mental Shortage enters on battlefield put X creature cards from each graveyard on battlefield under your control. Being X the number of cards in your hand.
"I was the last one left, my thoughts were being sucked in and the only thing I was sure of was that it was finally over. Until I see the last knight..."
-Psalms 154