Looking at the way the Arabian Nights version of Rukh Egg was templated it's possible that players were incorrectly triggering it when it was discarded, and perhaps that added to its perceived power level
If you wait until the combat damage step, but Triskelion is dealt lethal damage, it'll be destroyed before you get a chance to activate its ability
Most monsters had no effects -- only statlines and flavor text
Whether its creatures that tap for mana, some absurd effect or just the ability to attack with abandon, untapping your stuff is very good
Winners of these contests were given a copy of Pokmon Illustrator, which was an exclusive promo card that was never again distributed
This won't be the only card the problem appears on, though