Starry Knight Sky (GFTP-EN032) [Ghosts From the Past]

During your Main Phase, you can Normal Summon 1 "Starry Knight" monster or Level 7 LIGHT Dragon monster in addition to your Normal Summon/Set. (You can only gain this effect once per turn.) During your turn, if a face-up Level 7 LIGHT Dragon monster(s) you control returns to the hand (except during the Damage Step): You can draw 1 card. You can only use this effect of "Starry Knight Sky" once per turn.