If you are aggressive, then getting something out of the way for a bit should give you that window to close the game
This card is going to be a staple in certain decks for a long time and should probably always be removed as soon as you see it
She helps Garnet, Princess of Alexandria, ensuring she always has plenty of tasty lore counters to devour, and with Terra, Magical Adept she can form an infinite combo
No opponent will gain life, but any other effects of that spell or ability will still happen
Thopter Depths Two major combos saw play for a while in formats like Extended with the Vampire Hexmage and Dark Depths combo (giving you a 20/20 indestructible, flying Marit Lage beater on the turn you played Vampire Hexmage) or the Sword of the Meek and Thopter Foundry combo engine that made a ton of 1/1 blue Thopters
Many of these lists still work in cEDH pods