Curse of Obsession

Other Zombies you control get +1/+1. 1B, T: All Zombies gain menace until end of turn.

T: Add C. T: Add G or W. This artifact deals 1 damage to you.

Search your library for a basic land card, put it onto the battlefield tapped, then shuffle. Create a 0/1 colorless Eldrazi Spawn creature token. It has "Sacrifice this token: Add C."

Vigilance As this creature enters, choose a creature type. Human creatures you control have protection from creatures of the chosen type.

Deathtouch Whenever a Curse is put into your graveyard from the battlefield, return it to the battlefield attached to you at the beginning of the next end step. At the beginning of your upkeep, you may attach a Curse attached to you to one of your opponents. If you do, draw two cards.

Whenever another creature you control enters, put a +1/+1 counter on that creature and a +1/+1 counter on this creature.

This land enters tapped. T: Add C. 2, T, Sacrifice this land: Search your library for a Forest card and a Plains card, put them onto the battlefield tapped, then shuffle.

Flash At the beginning of your upkeep, each player mills three cards. You may exile a creature card from among the cards milled this way. If you do, this creature becomes a copy of that card, except it has this ability.