Not surprisingly, the odds of my sixth land coming later than turn 6 are much higher than my fourth land coming later than turn 4
As for card advantage, look no further than Glimpse of Nature and Beast Whisperer and other cards that make super cheap creatures cantrip
A lot of the Gamma rares haven't been seen since the early 90s, and for the longest time collecting the set meant that you had to go blind and hope, you never knew which cards could exist or if you were ever finished
The Wanderers new desparked form is no less fearsome for being a Creature, boasting Double Strike and providing Hexproof to tapped Creatures, incentivizing hitting hard and often
There are also situations where you dont want them to Thoughtseize your Emrakul because your graveyard has a Griselbrand in it
However, they do contribute towards your guaranteed wildcards, as signified by the wheel in the top right of the booster pack opening screen