Rolling Earthquake

Rolling Earthquake deals X damage to each creature without horsemanship and each player.

Eightfold Maze

Cast this spell only during the declare attackers step and only if you've been attacked this step.
Destroy target attacking creature.

Sacrifice Fire Bowman: It deals 1 damage to any target. Activate only during your turn, before attackers are declared.

Cast this spell only during the declare attackers step and only if you've been attacked this step.
Creatures you control get +2/+2 until end of turn.

{T}: Target creature you control gets +2/+0 until end of turn. Activate only during your turn, before attackers are declared.