It's all well going card-for-card with your opponent if all you're looking to do is keep them from doing anything, but to win the game, you have to get ahead
Ruin-Lurker Bat is a one-drop that would have made starter period me lose it, its so efficient and so powerful and its doing so much for just one mana, and back in the day that was considered so powerful and so dangerous because we were all working on bad math as to how long attacking twenty times took
So, if youre interested in building Kilo, Apogee Mind, Sensational Spider-Man, or something out of Final Fantasy, Lulu, Stern Guardian could be a decent inclusion in that
In the case of The Seriema, it grants other tapped legendary creatures indestructible
Overall high collectible value for enthusiasts and players