Udon, Multiverse Mage

{w}: Target permanent becomes white in addition
to its other colors until end of turn.
{u}: Target permanent becomes blue in addition
to its other colors until end of turn.
{b}: Target permanent becomes black in addition
to its other colors until end of turn.
{r}: Target permanent becomes red in addition
to its other colors until end of turn.
{g}: Target permanent becomes green in addition
to its other colors until end of turn.