Heartfire Hero
Creature — Mouse Soldier
Rarity
Uncommon
Mana Cost
Price · Cardmarket trend
€0.44 Foil €0.63
Artist
Jakub Kasper
Power / Toughness
1 / 1
Cardmarket trend via Scryfall, as of 10/29/2026. May differ from the actual price.
Oracle Text
Valiant — Whenever this creature becomes the target of a spell or ability you control for the first time each turn, put a +1/+1 counter on it. When this creature dies, it deals damage equal to its power to each opponent.Rules for this card
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Valiant Rule 207.2c
Rulings (4)
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Wizards of the CoastUse Heartfire Hero's power as it last existed on the battlefield to determine how much damage it deals due to its last ability.
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Wizards of the CoastIf a spell or ability you control has one or more of its targets changed to a creature you control with a valiant ability, that ability will trigger if that creature hasn't yet been the target of a spell or ability you control this turn.
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Wizards of the CoastIf you create a copy of a spell on the stack and target a creature you control with a valiant ability, that ability will trigger as long as the creature hasn't yet been the target of a spell or ability you control this turn.
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Wizards of the CoastValiant abilities will resolve before the spell or ability that caused them to trigger.