replayable Inversion

You may cast this card from your graveyard, but not from anywhere else. As long as Haakon is on the battlefield, you may cast Knight spells from your graveyard. When Haakon dies, you lose 2 life.

Spells you cast cost less to cast for each card with the same name as that spell in your graveyard.

Changeling (This card is every creature type.) Target creature gets +3/-3 and loses all creature types until end of turn.