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Kaervek the Merciless

Card Name

Kaervek the Merciless

Mana Cost

5

Type

Legendary Creature – Human Shaman

Rarity

Rare

rules Text

Whenever an opponent casts a spell, Kaervek deals damage equal to that spell's mana value to any target.

Flavor Text

"Rats and jackals feast in his swath, but even they will not walk with him." —Mangara

Legal Formats

Commander, Legacy, Modern, Vintage

Not Legal Formats

Alchemy, Brawl, Explorer, Historic, Pauper, Pioneer, Standard

Rulings

(3/19/2021)
An ability that triggers when a player casts a spell resolves before the spell that caused it to trigger. It resolves even if that spell is countered.
(3/19/2021)
Alternative costs, additional costs, and cost reductions don't change a spell's mana value. Its mana value is still based on its mana cost.
(3/19/2021)
For spells with
X
 in their mana costs, use the value chosen for X to determine the spell's mana value.