William Birkin, G-Virus Form 2

Vigilance, Deathtouch, Rampage 2
Other Human creatures you control get +1/+1
and Rampage 1.
{t}: Add two mana of any combination of colors
to your mana pool.
When William Birkin, G-Virus Form 2 dies, return it to the battlefield transformed.
{2}{w}{b}: Discard this card from your hand. Search your library for a card named William Birkin and put it onto the battlefield.