Omnivorous Flytrap [Duskmourn: House of Horror Promos]

Cost: 2 G Delirium — Whenever Omnivorous Flytrap enters or attacks, if there are four or more card types among cards in your graveyard, distribute two 1/ 1 counters among one or two target creatures. Then if there are six or more card types among cards in your graveyard, double the number of 1/ 1 counters on those creatures.