Advanced format ruling
Iron Chain Dragon
Card effect (current official text)1 Tuner + 1 or more non-Tuner monsters
You can remove from play all "Iron Chain" monsters from your Graveyard to have this card gain 200 ATK for each card removed, until the End Phase. When this card inflicts Battle Damage to your opponent, send the top 3 cards of your opponent's Deck to the Graveyard.
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.