Chaos King Archfiend is a Super Rare Synchro Monster card from Yu-Gi-Oh! (Legendary Collection 5D's Mega Pack, LC5D). Current market price: $1.11.
Super Rare
Legendary Collection 5D's Mega Pack (LC5D)
Card Text
1 Fiend-Type Tuner + 1 or more non-Tuner monsters
When this card declares an attack: You can switch the current ATK and DEF of all face-up monsters your opponent controls, until the end of the Battle Phase.
