
Destined Rivals · #139
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Pokémon ex rule: When your Pokémon ex is Knocked Out, your opponent takes 2 Prize cards.
Abilities, attacks, weakness & resistance
If this Pokémon has no damage counters on it, this attack does 120 more damage.
During your next turn, this Pokémon can't use Boss Headbutt.
Other cards from Destined Rivals

Levincia (Holofoil)

Jamming Tower (Holofoil)

Team Rocket's Crobat ex (Holofoil)

Cynthia's Garchomp ex (Holofoil)

Team Rocket's Mewtwo ex (Holofoil)

Ethan's Ho-Oh ex (Holofoil)

Team Rocket's Giovanni (Holofoil)

Team Rocket's Ariana (Holofoil)

Ethan's Adventure (Holofoil)

Arven's Mabosstiff ex (Holofoil)

Team Rocket's Crobat ex (Holofoil)

Team Rocket's Nidoking ex (Holofoil)
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Arven's Mabosstiff ex (sv10-139) is a Darkness-type Stage 1 Pokémon ex from the Destined Rivals set. It has two attacks: a low-cost Vigorous Tackle that gains a large bonus if uninjured, and a high-damage Boss Headbutt that restricts using that attack on your next turn. Its Pokémon ex rule makes it worth prize tradeoff consideration since knocking it out awards the opponent two Prize cards.
Catalog pricing data as of 20 Apr 2026, 22:05