Darkforge Battlesmith

[CONT] If you have two or more black creatures, this creature gets +1/+1 and "[AUTO] When this creature deals damage to a fort, your opponent discards a card from their hand.(They discard before the barrier is put into their hand.)".

[AUTO] [Dragocross Black] When this creature attacks, you may choose a red or black creature from your discard pile, shuffle it back into your deck.