With Iono out of the format, the only means players had of interfering with their opponent's hand was the card Unfair Stamp, which is an ACE SPEC card and thus capped at only a single copy per deck
While the opponent can have several basic lands out, and we can bounce them back to their hand almost at will, or even destroy and exile them by letting abilities resolve like Minion of Leshrac's, we have absolutely no way to put those cards back in the library
Typically, a player will win by reducing their opponents starting life points to zero, but there are other paths to victory
1 Shipwreck Dowser
However, it's recommended to store trays separately to prevent potential damage to cards
Types like Sea Serpent and Plant struggle to find competitive success apart from a few dedicated competitive strategies, while types like Fiend and Spellcaster have had several popular archetypes throughout Yu-Gi-Oh