Shigaru, Censor

{2}: Switch Shigaru's power and toughness.
Whenever Shigaru blocks or becomes blocked by
one or more creatures, choose one mode for each
of those creatures. each mode lasts until the end
of turn:
• Creature's base power is 0.
• Creature loses all abilities.
• Creature loses all creature types.
{bull} Creature become colorless.