Even just one Elusive Otter can be a consistent source of damage that can be strategically boosted to slip through opponents defenses
Jaya is one of the many recurring names in early MTG's flavour texts, and would become a bit of a meme due to her sarcasm and her pyromania, until she became a proper character herself
The most important part of this card though, and what sets it so high on this list, is the cant be countered clause
To be fair, this was a rare, unlike the rest of the cycle of 1-mana boons, but I dont think Richard Garfield and the rest of the designers of the early set couldve realized how powerful drawing cards can be
Exhume is usually a two-mana Reanimate - just with a symmetrical effect
Finding ways to reduce the cost of this card or triggering additional copies (looking at you, Aziza) will offer an even bigger boost to your board state