Creature Upgrades Giving your creatures buffs and abilities can be very helpful in a deck that uses a lot of creature tokens
Whitening on back edges, general wear to the back surface
Venser also makes random other cards way stronger, like Nasty End sacrifice The Hollow to draw 3 cards for 2 mana, Vat of Rebirth gets loaded with oil as The Hollow dies, or Ringsight to give Venser skulk so we can bypass blockers while tutoring up a card
You used to be able to use this to lock someone out from casting countermagic on the turns Islands were phased out, but that doesn't seem to work much anymore with the number o f non-basics out there
A card like Hall of Storm Giants is a nice blue finisher, while Lair of the Hydra shines in green devotion decks as a big threat later in the game
The first and most obvious is the Charizard card from the base set