Johnny, the Captain

When a card with the keyword Jellyfish Pirate
enters the battlefield, create 1 Treasure token.
When a card with the keyword Jellyfish Pirate
attacks, create 1 Treasure token.
{t} If your Graveyard contains at least 8 creatures
with the keyword Jellyfish Pirate,
deal 40 damage to target creature or player
"Your last mistake... was making me serious."