Kalith, the Nightstalker

First strike, lifelink, shroud
When this creature transforms into Kalith, the Nightstalker, creatures you control get +2/+0
and gain first strike and lifelink and become werecats in addition to their other types until
end of turn.
At the beginning of each upkeep, if no spells
were cast last turn, transform Kalith, the Nightstalker.