Sandblast

Sandblast deals 5 damage to target attacking or blocking creature.

Avenging Arrow

Destroy target creature that dealt damage this turn.

Psionic Blast

Psionic Blast deals 4 damage to any target and 2 damage to you.

Arrow Volley Trap

If four or more creatures are attacking, you may pay {1}{W} rather than pay this spell's mana cost.
Arrow Volley Trap deals 5 damage divided as you choose among any number of target attacking creatures.

Turn the Tables

All combat damage that would be dealt to you this turn is dealt to target attacking creature instead.

Divine Arrow

Divine Arrow deals 4 damage to target attacking or blocking creature.

Kor Chant

All damage that would be dealt this turn to target creature you control by a source of your choice is dealt to another target creature instead.

Harsh Justice

Cast this spell only during the declare attackers step and only if you've been attacked this step.
This turn, whenever an attacking creature deals combat damage to you, it deals that much damage to its controller.

Wanderer's Intervention

Wanderer's Intervention deals 4 damage to target attacking or blocking creature.

Swans of Bryn Argoll

Flying
If a source would deal damage to Swans of Bryn Argoll, prevent that damage. The source's controller draws cards equal to the damage prevented this way.

Gideon's Reproach

Gideon's Reproach deals 4 damage to target attacking or blocking creature.

You Hear Something on Watch

Choose one —
• Rouse the Party — Creatures you control get +1/+1 until end of turn.
• Set Off Traps — This spell deals 5 damage to target attacking creature.

Mirror Strike

All combat damage that would be dealt to you this turn by target unblocked creature is dealt to its controller instead.

Elspeth's Smite

Elspeth's Smite deals 3 damage to target attacking or blocking creature. If that creature would die this turn, exile it instead.

Dragon's Presence

Dragon's Presence deals 5 damage to target attacking or blocking creature.

Retaliate

Destroy all creatures that dealt damage to you this turn.

Summary Judgment

Summary Judgment deals 3 damage to target tapped creature.
Addendum — If you cast this spell during your main phase, it deals 5 damage instead.