Many decks have leveraged poison to win games quicker than they could with normal damage
Of course, a dedicated Etrata deck will usually have even better ways to cheat this downside: phasing or flickering her out of play before the shuffle, attacking with copies of the original or copying the trigger itself, or even destroying the target with some other assassin in response to fizzle the shuffle
Thats because trampling over with big numbers is part and parcel of being in green, and because generally green has plenty of redundant effects and redundant win conditions, so the support cards are way more important
Here is my top ten cards that gain life in the cube: 10
What makes this particular card interesting is that, unlike most colorless cards, it allows you to interact with your opponents
Tinker Bell Enchanteds have held similar values