Varina reads: Whenever you attack with one or more Zombies, draw that many cards, then discard that many cards
These decks aim to reduce, as much as possible, the number of games decided by mana issues, which constitutes an alternative benchmark for manabase quality: This sampling of decklists is by no means comprehensive, and obviously decks come and go in constructed metas, but nevertheless we can see that the ratios of constructed decklists dedicated to fixing lands varies dramatically
Introduction to Annihilation is good in EDH
They are great when you have a load of 6 and 7 CMC threats within your colour range that these will make hard casting more realistic when things don't go to plan
That popularity is probably what spawned this character, and their partner in crime Breeches, each receiving multiple additional cards in later sets
Best Moms in Green I want to mention before we get into the moms of green that, while Marwyn, the Nurturer may seem like a mom, shes actually a midwife