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.)

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

At the beginning of your upkeep, put a +1/+1 counter on Necroplasm.
At the end of your turn, destroy each creature with converted mana cost equal to the number of +1/+1 counters on Necroplasm.
Dredge 2