Cheapest priced copy (Teenage Mutant Ninja Turtles Eternal): $0.69 at Card Kingdom, near mint, their price list as of .
Study the Classics 
Sorcery · Uncommon · Teenage Mutant Ninja Turtles Eternal · #128
Put a +1/+1 counter on target creature, then double the number of +1/+1 counters on it. You gain life equal to the number of +1/+1 counters on that creature.
Legal inCommanderLegacyVintage
Not legal inBrawlStandardPioneerModernPauper
1 printing · $0.69 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Teenage Mutant Ninja Turtles Eternal | 128 | Uncommon | $0.69 | — |
One ruling from Wizards of the Coast
- 27 January 2026To double the number of +1/+1 counters on a creature, put a number of +1/+1 counters on it equal to the number it already has. Other cards that interact with putting counters on it will interact with this effect accordingly.