Its easy for a niche card to be strong within its niche - and sometimes a card like that is simply so strong that it takes a deck from being a fun idea into a crushing way to play Commander - but its far rarer for a card to work in decks that its not intended for
Samut's SprintSamut's Sprint and Reckless ChargeReckless Charge are a great way to get a creature going ASAP, and they're effective enough to be worth playing even as just a power boost
"You hope they go up over time, but they're absolutely not a replacement to financial assets, it's just maybe a complement at the margin." Karger warned that the illiquid nature of collectibles, and the dependency they have on others determining their worth, often via auctions, are added risks
Rat Colony's last ability lets you ignore only the "four-of" rule
The most obvious answer beyond that was seeing what rare or mythic rare you opened, or if you found that key uncommon or common for your deck
Gilver on Between Bad And Worse 4 years ago thefiresoflurve Well, Sol Ring is really the only exception and has a place in every single deck (included in every precon) xD