Brand-New-PR♥ISM, Flash Sapphire

:Sentinel :[Choose a card from your hand, and discard it] When this unit is placed on from hand, you may pay the cost. If you do, choose one of your units with "PR♥ISM" in its card name, and it cannot be hit until end of that battle. (Drop zone):[Bind this card face up] Choose one of your vanguard's [Limit Break]5 abilities, and change it to [Limit Break]4 until end of turn.