Cheapest priced copy (Reality Fracture Commander): $0.49 at Card Kingdom, near mint, their price list as of .
Whirlwind of Thought 
Enchantment · Rare · Ikoria: Lair of Behemoths · #348
Whenever you cast a noncreature spell, draw a card.
Legal inCommanderPioneerModernLegacyVintage
Not legal inBrawlStandardPauper
9 printings · $0.49 to $9.99 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Reality Fracture Commander | 51 | Rare | $0.49 | — |
| Ikoria: Lair of Behemoths | 215 | Rare | $0.49 | $2.49 |
| Ikoria: Lair of Behemoths | 348 | Rare | $4.49 | $9.99 |
| March of the Machine Commander | 344 | Rare | $0.49 | — |
| Marvel Super Heroes Commander | 190 | Rare | $0.49 | $0.49 |
| Marvel Super Heroes Commander | 424 | Rare | $1.29Out of stock | — |
| Ikoria: Lair of Behemoths Promos | 215p | Rare | $0.99 | $3.49 |
| Ikoria: Lair of Behemoths Promos | 215s | Rare | — | $4.99Out of stock |
| Tarkir: Dragonstorm Commander | 311 | Rare | $0.49 | — |
2 rulings from Wizards of the Coast
- 17 April 2020An ability that triggers when a player casts a spell resolves before the spell that caused it to trigger. It resolves even if that spell is countered.
- 17 April 2020Players can cast spells and activate abilities after the triggered ability resolves but before the spell that caused it to trigger does.