Advanced format ruling
Chaosrider Gustaph
Card effect (current official text)Once per turn, you can remove from play up to 2 Spell Cards from your Graveyard. This card gains 300 ATK for each card removed, until the end of your opponent's next turn.
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.