Charizard Full Art (Flashfire, XY, 2014) No list of iconic Pokmon cards would be complete without Charizard
Sierra, Nukas Biggest Fan I once opined that Wizards never seriously used the design space around food tokens the way they did treasure or clues
Achievements One big one that I haven't covered yet are achievements, and they add fun icons, titles and prestige
Its +1 lets you scry and tap an untapped artifact to then draw a card
These special cards can appear in all boosters, and Id expect these to be really valuable due to the popularity of EDH
Any Altar (Ashnod's or Phyrexian) and any untap for mana effect combos too (Staff of Domination, Sword of the Paruns, and Umbral Mantle) might be functional too, but sadly even though it adds 6ish more 2 card combos, they all cost a lot of mana and aren't easy in mono-red to tutor and fetch