Master Porcupine

{b}{t}: Look at the top card of your graveyard.
You may put in in to your graveyard.
{t}: Sacrifice Master Porcupine, put the top
three cards of your library into your graveyard.
If a Jade card is put into your graveyard this
way, it gets Aftermath.
If Master Porcupine leaves the battlefield put him under your library.