Porcelain, Clay Angel

+2: Tier 1: Destroy 1 creature. Tier 2: Reduce all creatures' power and toughness by half, rounding down. Tier 3: Do 5 damage to all creatures.
-2: Tier up the first ability.
-8: Each opponent gets an emblem that says, "Each turn all creatures you control take 4 damage and you lose 4 life. You may not gain life."