The life gain even buys you the time you need to take advantage of your mana
(It's an artifact with " , Sacrifice this token: Add one mana of any color.") Legendary Creature - Rogue Halfling Color tag templates(None) MacCready, Lamplight Mayor Whenever a creature you control with power 2 or less attacks, it gains skulk until end of turn
Less competitive but still effective is Exquisite Archangel, which has to exile itself to protect you from Glorious End but can still keep you alive in a pinch
This is a great way to dip your toe into the water if you aren't sure the Prerelease is something you want to do or if you can't commit 5 hours to a Prerelease event
A couple of months ago I (again) completed my all-languages Shuckle master set
On its own it is nothing, but there are a ton of ways for it to prove worthwhile and it got so bad that Wizards was forced to strike it down in some formats rather than ban other cards that served a more balanced purpose