japanese pokemon card set Terastal Festival ex [Japanese] Booster Box and Kingdra ex makes a royal splash in the Pokémon TCG Pokemon TCG Mega Brave and

Although its owner wouldn't be able to use the Master's Key to their advantage in a game, its rare status makes the card very valuable

Just turn it sideways, and you get free cards, sometimes a few, sometimes several

10 Ashnods Altar This entry was very nearly Black Market, but we decided that Ashnods Altar is probably a smidge better

Instead, it forces the opponent to lose life until they sacrifice it themselves

Unstable did a lot to change my perspective in a positive way, to the point where I was willing to look at silver bordered cards on a card-by-card basis for eligibility in Commander games among my private playgroups