However, we can see from the use of two set icons that there are likely still Commander-focused cards coming, despite the lack of a precon, and this could be one of them.
The card also has an attack that deals damage and confuses the opponent's Pokmon
And I guess you can use boast effects twice if you really want to, but the available pool of boast cards is small, underpowered, and sometimes doesnt even get anything of consequence out of a second use
You can't add more than 20 damage in this way
Though your child and their friends may have no issue at all with having fake cards, which are more prevalent than you may imagine, they will often be unusable in games, even if they play casually with friends, due to typos, errors and poor print quality
Self-Destruct Rarity: Uncommon TYPE: Instant SUBTYPE: - CMC: 2 Mana cost: USD: $0.23 EUR: 0.14 TIX: 0.04 EDHREC RANK: 8609 Target creature you control deals X damage to any other target and X damage to itself, where X is its power