For starters, the most famous is the 1:1 The One Ring, which was sold to Post Malone by the person who opened it for roughly $2m
While there are a number of creatures across the Bloomburrow set thatll let you populate your nest, Family Matters face Commander Zinnia, Valleys Voice plays stork for all the critters in Valley
Thanks to Meliria the Finks has a combo deck of sorts too
For Example, I think the weirdest card has to be the 1998 Exchange Please
However, if Dragon-type cards are taken into consideration, it is quite good actually
These Colorless cards likely won't fit into the aforementioned meta decks but they will fit into the also popular anti-meta category, in which players build decks with the sole purpose of taking down the likes of Pikachu ex and Mewtwo ex