Boreal Elemental
Creature — Elemental
Flying
Spells your opponents cast that target this creature cost 
more to cast.
Winter's breath given form.
Victor Adame Minguez
Core Set 2020 (M20)
• #49Rulings
An opponent’s spell that targets Boreal Elemental more than once costs only {2} more to cast.
(wotc • 2019-07-12)
To determine the total cost of a spell, start with the mana cost or alternative cost you’re paying, add any cost increases (such as that of Boreal Elemental), then apply any cost reductions. The mana value of the spell remains unchanged, no matter what the total cost to cast it was.
(wotc • 2019-07-12)
Rulings
An opponent’s spell that targets Boreal Elemental more than once costs only {2} more to cast.
(wotc • 2019-07-12)
To determine the total cost of a spell, start with the mana cost or alternative cost you’re paying, add any cost increases (such as that of Boreal Elemental), then apply any cost reductions. The mana value of the spell remains unchanged, no matter what the total cost to cast it was.
(wotc • 2019-07-12)