the back of a yugioh card Yu-Gi-Oh! Standard Sleeves Toys & Games Back to the Front |

The only packs I know of that do sometimes contain 1999-2000 holos are the Made in UK packs intended for sale in Poland (and have a large white sticker on the back of each pack)

The Construct tokens made by cards like Urza, Lord High Artificer and Karn, Scion of Urza benefit from a wide board of artifacts

Collecting JPN-first means youre opening cards the rest of the world hasnt seen yet

Once per turn, if a Special Summoned monster activates its effect (Quick Effect): You can make that effect become "Halve the LP of any player that does not control a "Fire Dragon Inferno", and if you do, any player who lost LP this way destroys half the cards they control and in their hand (rounded up.)" (Quick Effect): You can Tribute this card

[D][D] Energy Wheel: 70 damage