Yang Zing Unleashed is a Common Trap Card card from Yu-Gi-Oh! (2015 Mega-Tin Mega Pack, MP15). Current market price: $0.05.
Common
2015 Mega-Tin Mega Pack (MP15)
Card Text
All monsters your opponent controls must attack, if able. During either player's Main Phase or Battle Phase: You can send this face-up card from your Spell & Trap Zone to the Graveyard; immediately after this effect resolves, Synchro Summon 1 Synchro Monster, using 1 or more "Yang Zing" monsters you control as Synchro Materials.
