We have a couple of ways in the deck of giving our team trample, which will let us push damage through if we wanted to go harder in this direction, we could add another Overrun effect Jetmir himself would do nicely, or, if you really want to make enemies at your table, you could go full villain and play Triumph of the Hordes
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Secondly, is that its tail over its back
Weakness: Grass (x2) Resistance: none Retreat: 1 Thievul - Darkness - HP100 Stage 1 - Evolves from Nickit [C][C] Skill Thief: If you have no cards in your hand, choose 1 of your opponent's Pokemon's attacks and use it as this attack
That said, Zareth Sans combat damage trigger can be very powerful, so its an appealing commander if you build in ways to give it evasion