whenever you cast a red spell, untap chandra, fire of kaladesh.

t: chandra, fire of kaladesh deals 1 damage to target player. if chandra has dealt 3 or more damage this turn, exile her, then return her to the battlefield transformed under her owner's control.

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+1: chandra, roaring flame deals 2 damage to target player.

-2: chandra, roaring flame deals 2 damage to target creature.

-7: chandra, roaring flame deals 6 damage to each opponent. each player dealt damage this way gets an emblem with "at the beginning of your upkeep, this emblem deals 3 damage to you."