Advanced format ruling
X-Saber Urbellum
Card effect (current official text)1 Tuner + 1 or more non-Tuner monsters
When this card inflicts Battle Damage to your opponent while they have 4 or more cards in their hand, place 1 random card from their hand on top of their 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.