The ability to ignore black mana and instead use your life as a resource means that you can grant Krrik shadow via Dauthi Embrace for only 4 life, cast and attack with Skithiryx, the Blight Dragon for three mana and 6 life, while also casting your Whip of Erebos, Phyrexian Arena, and Grey Merchant of Asphodel in rapid succession
Its good fun because anything is possible, and youll end up doing things that are completely impossible in any other format
Note the Treefolk type there
Cards with flashback that may not have been dominant at the tournament table were very strong elsewhere, such as Grizzly Fate, which could singlehandedly make an army to kill folks, and then you could flash it back if it were answered
Ketramose, the New Dawn Ketramose, the New Dawn has had a great early showing after debuting in Aetherdrift , creating an entirely new archetype in Modern and Commander