Wharf Infiltrator (EMN-080) - Eldritch Moon Foil

Skulk (This creature can't be blocked by creatures with greater power.)
Whenever this creature deals combat damage to a player, you may draw a card. If you do, discard a card.
Whenever you discard a creature card, you may pay . If you do, create a 3/2 colorless Eldrazi Horror creature token.