That's what bargain is all about: sacrifice an artifact, enchantment, or token as you cast a spell with bargain, and in turn, receive a more powerful effect
More to the point, which cards are the worst for the games which wed like to promote
The same is true for creature spells you control and creature cards you own that aren't on the battlefield., : Create a 2/2 blue Shapeshifter creature token with changeling
From this point on, all cards will be presented with alternate art versions of their original variants, a special illustration rare given their rarity
While its not perfect, I do believe this is a worthwhile rule, and it could really change the landscape of the game by lessening the amount of feel-bad moments and making players believe they have more of a chance in games they otherwise might have not
Some of them give you a passive ability to start, other do a one time effect when they enter the battlefield