Allow me to explain this through a couple more examples of my own decks that exist in brackets beyond what their contents would suggest: Upgraded Example Helga, Skittish Seer My Helga, Skittish Seer deck is all about maximizing how much mana the little Frog produces and how many times I can trigger her in a turn
It is not the quickest win but it is still a strong one whatever you face
If thats not fitting for the problem youre facing, you can also choose to have all creature tokens get -2/-2 until the end of the turn, which is going to be great against Wolf tokens, Zombie tokens, probably Human tokens and basically every other creature token too
Outside of sacrificing it or destroying the aura, which not every color can meaningfully do, youve now disabled their most threatening creature, potentially for the remainder of the game
The reason that the card costs so much is that it is pretty much the number one most iconic creature from Magic during that time, with Serra Angel an easy choice for second place