Getting it almost incidentally on an already great card is amazing
No it was only available in starter decks, which is why it's so common despite being 1st Edition.
Tenacious Underdog Paying two life a turn for Tenacious Underdogs blitz ability as a 3/2 that keeps on coming and drawing cards is such a low cost, especially against midrange/control decks that want to answer your cards 1-for-1 with removal
At 20,000 ($142), its both the most valuable card in the set and one of the most recognizable UR cards of the Sword & Shield era
You put a shield counter to protect once an opposing creature
In most cases, this is only going to make one or two tokens a game, those tokens are going to spend their time eating chump blockers until someone wipes the board, and youll be left disappointed