Harbinger of Lightning (185) - Abyssal Heaven Foil

As long as you control an arcane element Shenju ally, ignore this card's elemental requirements as you activate it.

[Class Bonus] On Death: Banish Harbinger of Lightning, and a card at random from your memory. When you do, as a Spell, deal X damage to target champion where X is the total reserve cost of the banished cards.