Advanced format ruling
One for One
Card effect (current official text)Send 1 monster from your hand to the GY; Special Summon 1 Level 1 monster from your hand or Deck.
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.