As green removal, it is acceptable, but since the color requirements for removal in other colors have decreased, and since 3-color is recommended, if you choose this over removal from other colors, it can also serve as a buff, and you want to use it in conjunction with effects that reference counters
I think the real meat on the card however is the third ability, which is affected by other sources of life gain and a potential way to eliminate players the turn you play this, or at least do a lot of life loss
But with Stony Silence out, that Ballista is now a simple beater, nothing more
Eren Yeager and and Levi, as well as popular characters from the TV anime series Attack on Titan" are lined up on the cards
As a tournament-issued rarity, it sits at the top of the prestige pyramid, joined by staples like a 1999 Base Set 1st Edition Holo Blastoise and a factory-sealed 1996 Japanese Base Set booster box