Etherium Spinner
Artifact Creature — Human Wizard
Whenever you cast a spell with mana value 4 or greater, create a 1/1 colorless Thopter artifact creature token with flying.
Mark Behm
Rulings
If a spell on the stack has {X} in its mana cost, X is the value chosen for it when determining that spell's mana value.
(wotc • 2021-06-18)
Rulings
If a spell on the stack has {X} in its mana cost, X is the value chosen for it when determining that spell's mana value.
(wotc • 2021-06-18)