The 2 damage that the Anathemancer deals to the Grazer isn't enough to kill it
Putting them all in one place, with some very fun Venom-focused art, is pretty enticing
There is plenty of life gain not on this list that still gets some niche cube play as lifegain cards and also plenty of regular cube cube cards that get play but not really as any sort of life gain thing
I could have gotten into the meld cards, which ended with Mishra, Lost to Phyrexia or Titania, Gaea Incarnate
(Choose any number of permanents and/or players, then give each another counter of each kind already there.) Creature - Beast Phyrexian Ezuri, Claw of Progress Whenever a creature you control with power 2 or less enters, you get an experience counter
However, in actual play it can be rather confusing always having to look into the legend