Greven, whether its the commander or one of 99, is going to kill people
Finally, while ideally you aren't going particularly wide in a Voltron deck, you will still typically have a decent number of backup threats and utility creatures, and passing out a bug buff to the whole team is great
It includes the choice of cards, the number of each card to include, and the balance of types and energies
Some missions will have you collecting cards of a certain type, while others might have you winning a certain number of battles
Given the investment and damage accumulation over time, its unsurprising that the Pokemon with the highest HP are often stage 2 evolutions
This card's destroy-and-burn effect becomes Quick if it is equipped with something, plus it can give itself a Limiter Removal-like effect to double its ATK if it battles