Her +2 ratchets you to 6 loyalty and can do the "Sacrifice into cards and life," which is a pretty cool edition of a typical Golgari theme - sacrifices for benefits
It circumvents lots of protection spells, such as Heroic Intervention and Selfless Spirit, and prevents cards like Second Sunrise and Agadeem's Awakening from rebuilding boards
With these factors in mind, infect decks are some of the most aggressive and combat focused decks in all of Magic , seeking to defeat an opponent as quickly as possible
Chances are youve either seen or had decks that do all of these things at some point
Necron Overlord and Canoptek Scarab Swarm seem to have a good synergy with each other, making a ton of small tokens and then zapping someone equal to the number of tokens made
Suddenly your whole board is swinging in with evasion and lifegain attached, turning even small Spider tokens into real threats