Hearthhull is a value engine and win condition in one, and is one of the most popular Precon Commanders of the year
Unlike Synth Eradicator, Amped Raptor cannot exile lands for you to play later , but it can put cheap nonland artifacts into play
Fishbone Quills and Sleepys Flutes are usually a lovely target to get rid of with some targeted item removal but with a brand new suite of deadly items to come up against like the Lucky Dime, the Sumerian Talisman or the Vault Door and its time to take item banishment even more seriously
In their heyday, they inspired such unprecedented moves as the first balance-motivated ban in Vintage, a card being preemptively banned in Commander prior to release, and an entire mechanic being significantly reworked via official errata
This applies to all card types, not just characters
Urza, Lord High Artificer Urza, Lord High Artificer has been a poster child for combo decks and artifact abuse since the day it was released, and both strategies are more than happy to take advantage of his ability to turn any of your artifacts into a Llanowar Elves that doesnt have to worry about such petty things as summoning sickness