Goben, Gene-Splice Savant

Goben can't be blocked.

Whenever Goben deals combat damage to a player, he connives. (Draw a card, then discard a card. If you discarded a nonland card, put a +1/+1 counter on this creature.)

: Transform Goben. Activate only as a sorcery.

Flying, menace

Spells you cast from your graveyard cost less to cast.

Each nonland card in your graveyard has mayhem. The mayhem cost is equal to its mana cost. (You may cast a card from your graveyard for its mayhem cost if you discarded it this turn. Timing rules still apply.)