Advanced format ruling
Skill Successor
Card effect (current official text)Target 1 face-up monster you control; it gains 400 ATK until the end of this turn. During your turn, except the turn this card was sent to the GY: You can banish this card from your GY, then target 1 face-up monster you control; that target gains 800 ATK until the end of this 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.