Johann, the Betrayer

When Johann, the Betrayer enters the battlefield, you may draw a card. If you do, discard a card.
Salvage 0 (As long as this card is in your graveyard, you may discard a card with converted mana cost 0 or greater. If you do,
return this card from your graveyard to your
hand. Activate this ability only any time you could cast a sorcery.)