Tainted Observer [Phyrexia: All Will Be One]Set: Phyrexia: All Will Be One Type: Creature Phyrexian Bird Rarity: Uncommon Cost: {1}{G}{U} Flying Toxic 1 (Players dealt combat damage by this creature also get a poison counter.) Whenever another creature enters the battlefield under your control, you may pay {2}. If you do, proliferate. (Choose any number of permanents and or players, then give each another counter of each kind already there.)