Necroplasm

At the beginning of your upkeep, put a +1/+1 counter on Necroplasm. At the beginning of your end step, destroy each creature with converted mana cost equal to the number of +1/+1 counters on Necroplasm. Dredge 2 (If you would draw a card, instead you may return this card from your graveyard to your hand and put the top two cards of your library into your graveyard.)