The card inserts actually do have different codes on them
Creatures you control gain lifelink until end of turn
For all of the details on the Lost Legends promotion, we have the Uncovering Lost Legends video telling the story of the discovery hosted by Marshall Sutcliffe, or you can read Blake Rasmussen's article giving the full details of the Lost Legends promotion
The only problem is that the populate effect goes on the stack first if you cast a spell that makes a token, so its better to cast this after you already have some tokens
These chemicals adjust the viscosity or the tack of the ink, as well as prevent ink skins, foaming, or make the ink more hydrophobic
The conjurer, Arkana, caused "Dark Magician" to materialize out of the screen, from the "rare card" portion of Yugi's profile, and declare Pandora as his true master