An Elite Weapon flings aught far and wide
Tap bearer and another ally here, Discard a card → Deal damage equal to the discarded card's mana cost to each unit at target location up to three steps away.
Do both units need to have been in play for a turn or have charge?
Corpse Catapult
Siege Ballista
Rhongomyniad
Fail-not Bow
Peacemaker Arbalest
Truesight Crossbow
Meat Hook
Spear of Destiny
Bull Whip
Flaming Sword
Grim Guisarme
Poisonous Dagger
Rolling Boulder
Doomsday Device
Drums of Doom
Mask of Mayhem
Purge Juggernaut
Crave Golem
Pendulum of Peril
Merlin's Staff
Lance