- ↓ 0.01
- ꩜ 0.06
- ↑ 8.99
Ability ⇢ Swelling Tune
Your {G} Pokémon in play, except any Kricketune, get +40 HP. You can’t apply more than 1 Swelling Tune Ability at a time.
{G}{C} → Slash : 50
illus. Mitsuhiro Arita
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It uses its cutlass-like arms to produce sound, the melody of which varies from individual to individual. It is a worthwhile endeavor to seek out one’s favorite tunes.
Warnock 2020
Abilities like this one, and on CRE Abomasnow, would be a lot more viable and fun if they could stack. Sad you can’t apply more than one at a time…
Strč prst skrz krk
These abilities can stack with each other, though! With both Kricketune
and Abomasnow 
in play, you could get a 300-HP Breloom V! 

https://pkmncards.com/?s=is%3Asingle-strike+color%3Agrass
Pásovec devítipásý
Let’s say you go up against a Breloom V that has 300 HP thanks to these two abilities. And it has 290 damage on it when you begin your turn.
Then you play Cancelling Cologne, which nullifies the abilities and returns Breloom V’s HP to normal. I assume that that will instantly KO the Breloom?
Twylis
Canceling Cologne only disables the ability of the active pokemon, but if either Kricketune or Abomasnow is in the active slot, then yes, Canceling Cologne would KO.
Kingston
Yup. Although putting RCL Galarian Weezing into the Active Spot would also cause an insta-KO of Breloom