Heartfire Hero
Creature — Mouse Soldier
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.
Market prices
updated on 06/17/2026| Source | Normal | Foil |
|---|---|---|
| Cardhoarder | 0.05 tix | — |
| Card Kingdom | $0.59 | $0.49 |
| Cardmarket | €0.50 | €0.72 |
| CardTrader Buy | €0.23 | €0.13 |
| TCGplayer | $0.30 | $0.40 |
Trend · last 90 days · EUR
€0.23CardTrader market
227 offers · from €0.23 · avg €1.30 · max €35.52
Near Mint: 192 · Slightly Played: 32 · Moderately Played: 3
Rulings (4)
Use Heartfire Hero's power as it last existed on the battlefield to determine how much damage it deals due to its last ability.
07/26/2024If 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.
07/26/2024If 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.
07/26/2024Valiant abilities will resolve before the spell or ability that caused them to trigger.
07/26/2024Legality by format
| Brawl | Not legal |
| Commander | Legal |
| Duel Commander | Legal |
| Legacy | Legal |
| Modern | Legal |
| Oathbreaker | Legal |
| Old School | Not legal |
| Pauper | Not legal |
| Pioneer | Banned |
| Premodern | Not legal |
| Standard | Banned |
| Vintage | Legal |
| Block Constructed | Not legal |
| Extended | Not legal |
| Frontier | Not legal |
| Tiny Leaders | Not legal |