Rite of Impulse

Rite of Impulse deals 3 damage to target
player if {r} was spent to cast this spell.
Target player gains 3 life if {g} was spent to
cast this spell. (Do both if {r}{g} was spent.)
Overload {r/g} (You may cast this spell for its
overload cost. If you do, change its text by
replacing all instances of "target" with "each.")