Unnerving Assault is a Magic: The Gathering card. Compare listings from Singapore Magic: The Gathering sellers on CardJio, then jio them on WhatsApp.
Mana cost
{2}{U/R}
Mana value
3
Type
Instant
Color
Red/Blue
Color identity
Red/Blue
Card Text
Creatures your opponents control get -1/-0 until end of turn if {U} was spent to cast this spell, and creatures you control get +1/+0 until end of turn if {R} was spent to cast this spell. (Do both if {U}{R} was spent.)