Edison format ruling
Red-Eyes Wyvern

Card text as printed in this era① During your End Phase: You can banish this card from your GY, then target 1 "Red-Eyes" monster in your GY; Special Summon that target.
(You can't Normal Summon/Set during the turn you activate this effect.)
Rulings
- This effect targets the "Red-Eyes" monster in your GY.
- If you discard this card due to hand size, its effect can't be activated that same End Phase.
- If your Normal Summon was negated by "Solemn Judgment", this card's effect cannot be activated in the End Phase.
Rulings data courtesy of Format Library — formatlibrary.com. Spotted an inaccuracy? Flag it in the Edison forum — sourced change requests get reviewed.