Hollow One
Buy
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This spell costs 
less to cast for each card you've cycled or discarded this turn.
Cycling
4/4
Illustrated by Anthony Palumbo
Rulings (4)
Mar 19, 2021
Hollow One's cost is reduced even if the cards you've cycled or discarded aren't in your graveyard.
Mar 19, 2021
Hollow One's first ability doesn't give you permission to discard cards. You'll need another effect that instructs or allows you to discard them, such as a cycling ability.
Mar 19, 2021
Once you've discarded three cards during one turn, Hollow One costs 
to cast. It won't stop at 
or cost negative amounts of mana.
Mar 19, 2021
To determine the total cost of a spell, start with the mana cost or alternative cost you're paying, add any cost increases, then apply any cost reductions (such as that of Hollow One). The mana value of the spell is determined by only its mana cost, no matter what the total cost to cast that spell was.
