Advanced format ruling
Dark World Grimoire
Card effect (current official text)During your End Phase, if you discard a monster(s) to the Graveyard because you had more cards than your hand size limit: You can target 1 of those monsters; Special Summon that target.
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.