Cheapest priced copy (Throne of Eldraine): $0.35 at Card Kingdom, near mint, their price list as of .
Thunderous Snapper 
Creature — Turtle Hydra · 4/4 · Uncommon · Throne of Eldraine · #215
Whenever you cast a spell with mana value 5 or greater, draw a card.
Legal inCommanderPioneerModernLegacyVintage
Not legal inBrawlStandardPauper
1 printing · $0.35 to $0.79 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Throne of Eldraine | 215 | Uncommon | $0.35 | $0.79 |
2 rulings from Wizards of the Coast
- 4 October 2019Thunderous Snapper's ability resolves before the spell that caused it to trigger. It resolves even if that spell is countered.
- 4 October 2019For spells with {X} in their mana costs, use the value chosen for X to determine the spell's mana value.