Modern Masters 2015

Glint Hawk Idol

Whenever another artifact enters the battlefield under your control, you may have Glint Hawk Idol become a 2/2 Bird artifact creature with flying until end of turn.
{W}: Glint Hawk Idol becomes a 2/2 Bird artifact creature with flying until end of turn.

Whenever another artifact you control enters, you may have Glint Hawk Idol become a 2/2 Bird artifact creature with flying until end of turn.
{W}: Glint Hawk Idol becomes a 2/2 Bird artifact creature with flying until end of turn.

Scars of Mirrodin

Whenever another artifact enters the battlefield under your control, you may have Glint Hawk Idol become a 2/2 artifact creature with flying until end of turn.
{W}: Glint Hawk Idol becomes a 2/2 artifact creature with flying until end of turn.