Instant

Kicker {8}{R} (You may pay an additional {8}{R} as you cast this spell.)
Urza's Rage can't be countered by spells or abilities.
Urza's Rage deals 3 damage to target creature or player. If Urza's Rage was kicked, instead Urza's Rage deals 10 damage to that creature or player and the damage can't be prevented.

Artist(s): Jim Murray