Sidar, Cursed to Wander

Odyssey - Whenever a legendary creature you control attacks, reveal the top card of your library. If it's a permanent card, put it into your hand. Otherwise, put it into your graveyard.
{2}, Discard a permanent card: Return another target permanent card that shares a card type
with it from your graveyard to your hand.
Abandoned by the gods... the most cruel fate of all.