In this setting, Taeko will help to sculpt your draws while also allowing you to sneak through other creatures
Stella Lee, Wild Card rewards you for casting two with some impulsive draw, but her big payoff is for the third or greater spell, by letting you copy an instant or sorcery spell for free
Not Dead After All is the best one of the bunch, since the life loss can be relevant, and the scenarios where the token is exiled and not sent to the graveyard are very scarce
The Early Attempts The first example of giving up life for cards in Legends in the form of Greed
For anyone whose ever played Ice Age/Alliances limited, you'd know what I'm talking about
We are not opposed to banning them again at some point in the future if they still prove problematic