Sometimes it is backbreaking such as against a Mana Vault however costing three mana makes it far weaker as disruption often being too late to the party
As is any deck that produces 1/1 tokens of the same type, like Urtet, Remnant of MemnarchUrtet, Remnant of Memnarch or Millicent, Restless RevenantMillicent, Restless Revenant
The fact that someone bought borderless Spectacular Spider-Man for $1,250 blows my mind
For example, if a Human dies during combat on your turn and you cast White Glove Gourmand during your second main phase, its last ability will trigger at the beginning of your end step
Just like other card styles, your opponent will also see that you're using these cards, and will also be able to see the card name and rules in their native Arena language to ensure they don't make any mistakes