Yamata No Orochi

Menace, trample
Other Demons in your graveyard have dredge 6.
Yamata No Orochi can block an additional
seven creatures each combat.
Dredge 8 (If you would draw a card, instead you
may put exactly eight cards from the top of your
library into your graveyard. If you do, return this
card from your graveyard to your hand.
Otherwise, draw a card.)