No Trump or High/Low Options
Why People Get This Wrong
People often assume that calling "no trump" in Euchre means you can't call a trump suit at all, which leads to arguments about whether it's okay to switch suits mid-game. The real confusion arises because the rule actually allows for flexibility—players can choose not to declare any trump suit or pick one they prefer, but they must stick with their chosen suit once declared in each round.
Official Verdict
Some versions permit a player in the second round to call “no trump,” making the led suit control each trick with aces high. Another option allows “low,” in which lower ranks beat higher ranks.