Seen in cropped image below, the text shown in the text box for any card with Sustain has the end missing reading:
Sustain - If this cost can not be paid at the end of each of its controllers turns, it is
Attachment 8007
Printable View
Seen in cropped image below, the text shown in the text box for any card with Sustain has the end missing reading:
Sustain - If this cost can not be paid at the end of each of its controllers turns, it is
Attachment 8007