Advanced format ruling
Synchro Strike
Card effect (current official text)Target Synchro Summoned monster gains 500 ATK for each Synchro Material Monster used to Summon it, until the End Phase.
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.