Chromatic Display

Enchant creature
Enchanted creature loses all colours.
If enchanted creature is colourless, it has
hexproof. If it is blue, it has flying. If it is black,
it has deathtouch. If it is red, it has first strike. If
it is green, it has vigilance and trample.
{2}: enchanted creature becomes the colours of
the mana paid to activate this ability.