Kashran, Spirit Gatherer

+1: Target player discards a card. If a creature card is discarded this way, create a Black 1/1 Spirit Snake token with Flying under your control.
-X: Choose a creature type. Creatures of that type get -X/-X until end of turn.
-5: Create a Green 3/3 Spirit Hydra token under your control. It has Hexproof and "This creature gets +1/+1 for each Snake you control.