Read rules for Gempalm Polluter
Cycling 
(, Discard this card: Draw a card.)
When you cycle this card, you may have target player lose life equal to the number of Zombies on the battlefield.
(, Discard this card: Draw a card.)
When you cycle this card, you may have target player lose life equal to the number of Zombies on the battlefield.4/3
: Return target Zombie card from your graveyard to your hand.