Kitu, Striking Serpent

Commander ninjutsu {b}{g} ( {b}{g}, Return an
unblocked creature you control to hand: Put this card
onto the battlefield from your hand or the command
zone tapped and attacking.)

Infect

"What is this horrid smell? It reminds me of those
revolting venoms that the Golgari often use."
- Junan, Azorius officer, last words