Flare of Fortitude
Instant
You may sacrifice a nontoken white creature rather than pay this spell's mana cost.
Until end of turn, your life total can't change, and permanents you control gain hexproof and indestructible.
- CMC
- 4
- Mana cost
- Color identity
- W
- Rarity
- rare
- Set
- Modern Horizons 3
- Price
- $4.29
- EDHREC rank
- #737
Flare of Fortitude gives your entire board indestructible at instant speed — and if you have a nontoken white creature to sacrifice, it costs nothing. The free-spell ceiling is what separates it from Boros Charm-style effects; Ad Nauseam decks and go-wide creature builds alike can fire it off with mana open for interaction, and commanders like Ajani, Nacatl Pariah provide a steady stream of token-free bodies to feed it.
Best Commanders
Commanders with the highest synergy
Ajani, Nacatl Pariah
Ajani, Nacatl Pariah generates nontoken white creature tokens that can pay Flare of Fortitude's alternate cost, letting you protect your board for free while keeping mana open — a clean loop when Ajani himself is the threat you're protecting.
Winota, Joiner of Forces
Winota, Joiner of Forces lives and dies on the combat step, and a free board-wide indestructible trigger at instant speed means your humans survive the sweep that would otherwise end the chain. Flare of Fortitude is exactly the protection tax Winota decks want to avoid paying.
Delney, Streetwise Lookout
Delney, Streetwise Lookout floods the board with small white creatures that become perfect fodder for Flare of Fortitude's alternate cost, letting the deck trade a token for full board protection without touching the mana base.
Eirdu, Carrier of Dawn
Eirdu, Carrier of Dawn rewards keeping creatures alive through multiple combat phases, and Flare of Fortitude's free indestructible shield slots directly into that gameplan — a sacrificed token buys the whole team a clean pass through a board wipe.
Phelia, Exuberant Shepherd
Phelia, Exuberant Shepherd runs enough small white creatures to consistently fuel Flare of Fortitude's alternate cost, and the deck is aggressive enough that stopping a single wipe at zero mana can close a game that would otherwise reset.
Format Analysis
Where it lives, where it can’t
| Format | Verdict |
|---|---|
| commander | legal |
| legacy | legal |
| modern | legal |
| pioneer | not legal |
| standard | not legal |
| vintage | legal |
| pauper | not legal |
| oathbreaker | legal |
In Commander, Flare of Fortitude is a staple-tier protection spell for white creature strategies — the free alternate cost is trivially enabled in any deck with nontoken white creatures, and instant-speed indestructible for the whole board stops board wipes that would otherwise end games. In Legacy and Vintage, it competes in a much faster environment where permanent-based protection rarely gets the chance to matter, but white creature combo decks can leverage the zero-mana floor in storm-adjacent lines where holding up mana is genuinely costly. Modern is the format where it has the most competitive ceiling outside Commander — creature combo and white aggro builds can use it as a free piece of interaction in the same vein as Ephemerate or Teferi's Protection at a lower mana investment. Flare of Fortitude is not legal in Pioneer, Standard, or Pauper, which cuts off the lower-powered environments where it might otherwise slot into budget white aggro shells.
Key Combos
Combo lines featuring this card
Price Context
Current price
$4.29 cheap tier
At $4.29, Flare of Fortitude sits in the cheap-but-not-bulk tier — priced like a role-player that's seen real demand rather than an overlooked gem waiting to be discovered. It's a strong buy at this price for any white creature deck: the effect is powerful enough that reprints would bring it down, but not so expensive that holding off makes sense.
Explore
Sources
Mentioned
- Ad Nauseam
- Ajani, Nacatl Pariah
- Winota, Joiner of Forces
- Delney, Streetwise Lookout
- Eirdu, Carrier of Dawn
- Phelia, Exuberant Shepherd
Updated . Data from Scryfall, EDHREC, and Commander Spellbook.