So, despite the obvious error, Neo Slowking dominated competitive play from 2000-2002, when it was finally banned
The problem with the card is that the best thing to be doing in a game often devolves into cloning, stealing or reanimating Primeval Titan, and the players that arent playing one or ways to benefit from one being in play are left far, far behind
Lastly, cards like Bident of Thassa trigger from combat damage to players, and a flyer deck has a good shot of getting something through unblocked, even if its small
If the opponent has a damaged Pokemon on the Bench that you can one-shot with a primary attack, leave it alone
Instead, players are limited to playing one land each turn from their hand (colloquially called their land drop)
The ideal size for a multi-player game is usually 4 people, although things get pretty wild if you play with five or more