really good yugioh decks Legendary II Complete Set - Yami Yugi + Seto Kaiba + Joey Wheeler Top 15 Most Fun Yu-Gi-Oh!

Understanding the moving parts explains why availability feels so random

If that creature's power is 2 or less when it enters the battlefield but becomes greater than 2 after the ability triggers, each opponent will still lose 1 life and you'll still gain 1 life

Neither player can Special Summon during this turn if they add any cards to their hand with this effect.[/spoiler] [spoiler=Fatal Temptation] Activated during your opponent Battle Phase if your opponent control at least 2 monsters

What does Duoterion do

That is until they get brought back, just like Trainer's Pokemon did

Maybe this change was what stopped a possible third game based off the next Pokmon TCG set, Gym Heroes