Thundara

Kicker {r}{r} (You may pay an additional {r}{r} as you cast this spell.)
Kicker {1}{r}{r} (You may pay an additional {1}{r}{r} as you cast this spell.)
Deals 5 damage to target creature.
• If Kicked with {r}{r}, second target creature
also takes 5 damage.
• If Kicked with {1}{r}{r}, target opponent also
takes 5 damage.