Duskmourn: House of Horror Commander

Vial Smasher the Fierce

Whenever you cast your first spell each turn, choose an opponent at random. Vial Smasher the Fierce deals damage equal to that spell's mana value to that player or a planeswalker that player controls.
Partner (You can have two commanders if both have partner.)

Secret Lair Drop

Magic Online Promos

Commander Legends

Whenever you cast your first spell each turn, choose an opponent at random. Vial Smasher the Fierce deals damage equal to that spell's converted mana cost to that player or a planeswalker that player controls.
Partner (You can have two commanders if both have partner.)

Treasure Chest

Commander 2016

Whenever you cast your first spell each turn, Vial Smasher the Fierce deals damage equal to that spell's converted mana cost to an opponent chosen at random.
Partner (You can have two commanders if both have partner.)