Cheapest priced copy (Foundations Jumpstart): $12.99 at Card Kingdom, near mint, their price list as of .
Generous Pup 
Creature — Dog · 2/2 · Rare · Foundations Jumpstart · #4
Vigilance
Whenever one or more +1/+1 counters are put on this creature, put a +1/+1 counter on each other creature you control. This ability triggers only once each turn.
Legal inCommanderLegacyVintage
Not legal inBrawlStandardPioneerModernPauper
1 printing · $12.99 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Foundations Jumpstart | 4 | Rare | $12.99 | — |
One ruling from Wizards of the Coast
- 8 November 2024Generous Pup's last ability puts only one +1/+1 counter on each other creature you control, no matter how many +1/+1 counters were put on Generous Pup.