True Light (Ultra Rare)

Apply 1 of the following.
• Special Summon 1 Blue-Eyes White Dragon from your hand or GY.
• Directly Set to your field from your Deck 1 Spell/Trap that specifically lists the card Blue-Eyes White Dragon in its text that has a different name from cards you control and in your GY.
You can only use this effect of True Light once per turn. Blue-Eyes White Dragon in your Monster Zone cannot be targeted by your opponent's effects. If this face-up card in the Spell & Trap Zone is sent to the GY: Destroy all monsters you control.