The List

Artifact

{T}: Choose any number of target creatures. Each of those creatures gains persist until end of turn. (When it dies, if it had no -1/-1 counters on it, return it to the battlefield under its owner's control with a -1/-1 counter on it.)

Cauldron of Souls

Eventide

Artifact Creature — Scarecrow

{2}: Target black creature gains wither until end of turn. (It deals damage to creatures in the form of -1/-1 counters.)

Fang Skulkin

Artifact — Equipment

Whenever you cast a spell, equipped creature gets +2/+2 until end of turn.
Equip {2}

Leering Emblem

Shadowmoor

Enchantment — Aura

Enchant creature
Enchanted creature doesn't untap during its controller's untap step.
Enchanted creature has "{1}, Put a -1/-1 counter on this creature: Untap this creature."

Sinking Feeling

{4}, {T}: Put a -1/-1 counter on target creature.

Gnarled Effigy

Flying
This creature can't have counters put on it.