You can toss away beefy threats in the early game to draw out weaker things you can play now, knowing full well that you can discard something else later to drag that bigger creature back from the depths of hell
Rin and Seri, Inseparable goes nuts with token generators like Release the Dogs, while Be'lakor, the Dark Master simply triggers more often if you can generate more demons from a single card like Great Unclean One or Demonic Covenant
Of course, I'm a walker." "Not that kind of walker
What this means in practice for us is that, since 1999, almost every new Magic card print also exists in a much more rare shiny foil version
Isochron Scepter imprinted with Dramatic Reversal with either Sol Ring and Birds of Paradise or Gilded Lotus makes infinite mana
It's very strong with other cards that want to know the top of your library, or with library manipulation like in color Sylvan Library or Sensei's Divining Top