Cankerous Thirst - Eventide - 116

Instant

Mana Cost: {3}{B/G}

If {B} was spent to cast this spell, you may have target creature get -3/-3 until end of turn. If {G} was spent to cast this spell, you may have target creature get +3/+3 until end of turn. (Do both if {B}{G} was spent.)

Uncommon · Eventide · #116 (EVE)

Illustrated by Carl Frank