Graveyard of the lost titans

Destroy all lands and creatures you don't control.
All titans you control get +9/+9 , indestructible.
You can use this card 5 times as a sorcery then,
instead of discarding it, it becomes a 10/10
legendary creature titan with indestructible,
haste, lifelink and "at the beggining of your
upkeep return all cards from your grave yard to
play."
"Finally I have discovered the greatest army on
this plain" -Liliana vess