Flavor X
This triggers Diregraf Captain to force an opponent to lose one life whenever a Zombie dies
Serra Paragon Serra Paragon is a 3/4 flier that gives you the Lurrus of the Dream-Den effect
For example, while some of the best tutors are on the Game-Changer List (Demonic Tutor, Vampiric Tutor, etc.), there are still plenty of niche-variety (Search for Glory) or drawback-laden (Diabolic Tutor) options for players at Level 1 and 2
Lightning Helix "Basically the awesomest card ever." Life gain gets no respect, because when you invest mana and cards in life gain it has the nasty habit of not making a difference, especially when you're trying to play a burn-heavy game, which either involves trying to burn out an opponent or all opposing creatures
There are also etched foils of a number of cards, but these seem less popular these days, as well as old border basics from fan-favorite artists like Rebecca Guay