Zhidorah, Devil's Eyes

{1}{r}, Reveal Zidorah, Devil's Eyes from your
hand: Zidorah deals 3 damage to target creature
or planeswalker, then put Zidorah on the bottom
of your library.
Flying, trample
When Zidorah deals combat damage to a player,
mill cards equal to the amount of damage dealt,
then return target creature card from your
graveyard to your hand.