Cheapest priced copy (Secrets of Strixhaven Promos): $0.49 at Card Kingdom, near mint, their price list as of .
Zaffai and the Tempests 
Legendary Creature — Human Bard Sorcerer · 5/7 · Rare · Secrets of Strixhaven · #360
Once during each of your turns, you may cast an instant or sorcery spell from your hand without paying its mana cost.
Legal inCommanderBrawlStandardPioneerModernLegacyVintage
Not legal inPauper
3 printings · $0.49 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Secrets of Strixhaven Promos | 246p | Rare | $0.49 | $0.49 |
| Secrets of Strixhaven | 246 | Rare | $0.49 | $0.49 |
| Secrets of Strixhaven | 360 | Rare | $0.49 | $0.49 |
2 rulings from Wizards of the Coast
- 20 March 2026If you cast a spell with {X} in its mana cost this way, you must choose 0 as the value of X.
- 20 March 2026If you cast a spell "without paying its mana cost," you can't choose to cast it for any alternative costs. You can, however, pay additional costs. If the card has any mandatory additional costs, you must pay those to cast the spell.