Jack, The Birthday Boy

Jack, The Birthday Boy's power and toughness
are each equal to his age.
{t}: You may search your library for a Legendary
Artifact called "Birthday Cake". Birthday Cake
enters the battlefield with X Candles and all
opponents start singing Happy Birthday.
Activate this ability only on your birthday and
only once each birthday.
0: Target player may place a permanent of their
choice under your control. It becomes a
Gift in addition to its other types.