Isolate
Instant
Exile target permanent with mana value 1.
Threefold were his crimes, doubled were his pleas, singular was his fate.
Victor Adame Minguez
Core Set 2019 (M19)
• #17Rulings
If a permanent has {X} in its mana cost, X is considered to be 0.
(wotc • 2018-07-13)
Rulings
If a permanent has {X} in its mana cost, X is considered to be 0.
(wotc • 2018-07-13)