Goat format ruling
Super Rejuvenation

Card effect (current official text)During the End Phase of the turn this card was activated, draw a number of cards equal to the combined number of Dragon monsters you discarded or Tributed from your hand or field this turn.
Rulings
- If the effect of DNA Surgery is making all monsters on the field Dragon, the ones that are Tributed will count for Super Rejuvenation.
- You can activate Super Rejuvenation at any time outside the Damage Step, and the effect will be applied during the End Phase.
- Multiple copies of Super Rejuvenation are cumulative. So if you activate two copies during your MP 1 and Tribute two Dragon monsters during the course of the turn, you will draw 4 cards in the End Phase.
- If you have Solemn Wishes applying on the field, you can increase your LP by the number of cards you draw for the effect of Super Rejuvenation x 500. So if you drew 2 cards by its effect, you can increase your LP by 1000.Monsters changed to Dragon Type and Tributed are eligible for "Super Rejuvenation’s" effect.
- Dragon monsters Tributed on the opponent’s field are not counted for the purpose of "Super Rejuvenation."
- Dragon monsters Tributed on your field by your opponent, through the effect of "Lava Golem" or similar are counted for "Super Rejuvenation.
- Q: Can you play a "Super Rejuvenation" that you drew in the End Phase through the effect of another "Super Rejuvenation"? A: Yes you could.
Rulings data courtesy of Format Library — formatlibrary.com. Spotted an inaccuracy? Flag it in the Goat forum — sourced change requests get reviewed.