It's important to be sure about which bits of a card are the cost and which are the effect, as sometimes something that seems like it should be a cost is actually the effect
Each month seemingly brings new twists and surprises in cards sold, such as in October 2020 a 1998 Pokmon Japanese Promo Holo Kangaskhan (Family Event Trophy Card #115 PSA 10) was sold on eBay for a record-breaking $150,100
In a dedicated red list, this can easily result in a full hand refill, which is nothing to sneeze at
Commander is generally a more casual format, but there is a level above that, cEDH
Smirking Spelljacker Five mana counterspells with some upside are something weve seen a few riffs on in recent years, though Smirking Spelljacker is the most powerful of the lot
Some are clearly designed for the synergies and power of Standard, but arent really likely to hit later, such as (potentially) Adorned Pouncer, and then fun cards for the kitchen table or multiplayer that arent a threat elsewhere