Eifel, Mischievous Merchant

When Eifel, Mischievous Merchant enters the battlefield each opponent sacrifices a non-land permanent or discards a card or pays 2.
{2}: each opponent sacrifices a non-land permanent or discards a card or pays 2
whenever a card is discarded draw a card, whenever a player sacrifices a permanent return a card from you graveyard back to your hand.