Unleash: When you play this card, create and draw a copy of it. Discard it at the end of the turn. The copy's cost can’t be reduced.
- Find more cards with Unleash in its category page.
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Unleash was introduced in Unleashed. It appears in all colors, but primarily in 
.
With the 2022-12-07 patch, the Unleashed mechanic was changed to include “The copy's cost can’t be reduced.” instead of “Cards with Unleash can’t cost less than 1.”
If you transform the copy of a Unleashed card that will be discarded at the end of turn, the transformed card will also be discarded.