While he doesn't see as much play these days, this guy was Top 8'ing Pro Tours in the Temur Emerge deck, where he was emerging from creatures like Matter Reshaper, Primal Druid, and Shaman of Forgotten Ways
Also being able to answer x/1 for basically no cost warped the format, and nowadays, noone plays Noble Hierarch or so many x/1 as it used before
They allow you to bring out any nonland permanent from your graveyard with haste whenever a historic spell is cast
The most valuable first edition packs are from Base Set, which sell for approximately 2k and upwards (depending on condition and whether its graded or not)
Its also a Stage 1 Pokemon, with a pre-evolution thats incredibly hard to use for attacking purposes
Instead, his card - Mike Wazowski - Heroic Climber - is a non-character hosing card that really could become a big counter to the dominant meta