Gatekeeper of Fun

Flying, Lifelink, Vigilance, Flash
You can't play Gatekeeper of Fun,
if any other player has played a spell this turn.
{1}{u}{u}: Counter target spell.
{1}{w}{w}: Tap target artifact. It loses
all abilities until end of turn.
{1}{b}{b}: Destroy target creature.
Fun? There is no such thing here.