Pusheen, Rainbow Farter

Lifelink, flying, flash, vigilance,
Lands with Rainbow Farts on them produce
two mana instead of one.
{u}{w}{r}: Put a Rainbow Fart on target land.
{w}{u}{r}{3}{t}: Creatures target player controls turn into 1/2 White Unicorns with lifelink.
Uni-Cats have been around many years but no-one knows what they are truly capable of.