Obscure Channeler

{w}{b}, {t} : Destroy target untapped creature then its controller puts two 2/2 White and Black Spirit creature-tokens with "At the beginning
of your upkeep, you lose 1 life" onto the battlefield. Play this ability any time you could cast a sorcery.
At the beginning of each opponent's end step,
you may draw a card if he or she controls 3 or more Spirit creatures.