Shame

Shame can only put a maximum of one
-1/-1 counter on any creature in play
per turn, unless that creature is white.
{1}{b}: Put a -1/-1 counter on any creature
that meets at least one of the following: any
white creature, any green creature, angel,
archon, avatar, barbarian, cleric, dwarf, elf,
griffin, human, knight, samurai, soldier
&/or unicorn.
"Shame... shame.. shame..."
~ Game Of Thrones