Title: This is the new skill!

Nightshade: I'll be practising my new petal card skill now!! Observe it carefully, my squire!
<winding up>
<Nightshade: I'll hit that banana square on!>
Larkspur: <getting nervous> Yes!!
Nightshade: YAH!!
Nightshade: Ah...!
Nightshade: Darn it!! My hand sli...
<slice>
Larkspur: Meister... this is...
Nightshade: So-, sorry... It wasn't on pur...
Larkspur: <admiration rising> To carve a pest using cards is amazing!! This is the new skill: "Pest banana split"1, isn't it!?
Nightshade: Eh...
Nightshade: Exactly!! Ha Ha Ha!!
<Nightshade: It's really well made isn't it!!>
Nightshade: <I'm glad I managed to gloss over that one...>

1 I still can't recognize the pun here ("Gaichuu Banaanu") and went with the one I've thought up last time.
It seems to be the sum of "pest", "banana", "flower" and "steal", so to make it a bit more interesting I went with banana splits (split as in run away or as in cut).