Advanced format ruling
Lumina, Lightsworn Summoner
Card effect (current official text)Once per turn: You can discard 1 card, then target 1 Level 4 or lower "Lightsworn" monster in your GY; Special Summon that target. Once per turn, during your End Phase: Send the top 3 cards of your Deck to the GY.
Current rulings for this card are maintained by Konami.
Rulings data courtesy of Format Library — formatlibrary.com. Spotted an inaccuracy? Flag it in the Advanced forum — sourced change requests get reviewed.