The Thing of the Abyss

Delve (Each card you exile from your graveyard
while casting this spell pays for {1}.)
For each card you exile to play The Thing of the Abyss, take 1 damage.
Intimidate (This creature can't be blocked except
by artifact creatures and/or creatures that share a
color with it.)
When The Thing of the Abyss attacks, it deals 3
damage to every non-blue creature defending
player controls.