+dirty (4)
Return target card from your graveyard to your hand.
Fuse (You may cast one or both halves of this card from your hand.)
When this creature enters the battlefield, target opponent discards a card.
, Discard a card: Regenerate Dirty Wererat.
Threshold — As long as seven or more cards are in your graveyard, Dirty Wererat gets +2/+2 and can't block.
Target player discards two cards.
Gatherer works better in the Companion app!