Stormkeld Prowler
Creature — Human Rogue
Whenever you cast a spell with mana value 5 or greater, put two +1/+1 counters on this creature.
To the giants, it was one little gem among thousands. But to Kylene, it was a haul that would feed her family for years.
Zara Alfonso
Wilds of Eldraine (WOE)
• #71Rulings
If a spell has {X} in its mana cost, use the value chosen for that X to determine the mana value of that spell.
(wotc • 2023-09-01)
Rulings
If a spell has {X} in its mana cost, use the value chosen for that X to determine the mana value of that spell.
(wotc • 2023-09-01)