Cheapest priced copy (Conspiracy: Take the Crown): $0.69 at Card Kingdom, near mint, their price list as of .
Splitting Slime 
Creature — Ooze · 3/3 · Rare · Conspiracy: Take the Crown · #72
{4}{G}{G}: Monstrosity 3. (If this creature isn't monstrous, put three +1/+1 counters on it and it becomes monstrous.)
When this creature becomes monstrous, create a token that's a copy of this creature. (The token has no counters and isn't monstrous.)
Legal inCommanderLegacyVintage
Not legal inBrawlStandardPioneerModernPauper
1 printing · $0.69 to $4.99 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Conspiracy: Take the Crown | 72 | Rare | $0.69 | $4.99 |
One ruling from Wizards of the Coast
- 23 August 2016The token that’s put onto the battlefield isn’t monstrous at first. If you activate the token’s ability, it will get counters, it will become monstrous, and a new token will be put onto the battlefield.