Necroplasm [Commander Anthology Volume II] Dominaria Prerelease Promos choose an opponent and a

choose an opponent and a card name other than a basic land card name

Then put all cards exiled this way that weren't cast into your graveyard

The source's controller draws cards equal to the damage prevented this way

Sacrifice an artifact: Proliferate

When Spreading Algae is put into a graveyard from the battlefield

Necroplasm [Commander Anthology Volume II] Dominaria Prerelease Promos choose an opponent and aSet: Commander Anthology Volume II Type: Creature Ooze Rarity: Rare Cost: {1}{B}{B} 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, you may mill two cards instead. If you do, return this card from your graveyard to your hand.)