Its a rare occasion where you can cast sufficient spells and stabilise long enough to trigger Coven more than once
Important to note here that you dont need to exile four cards with Winter, you just need a minimum of four card types exiled
Cards like Scavenging Ooze and Cling to Dust leverage this trigger to remove the undying creature from the graveyard with the trigger still on the stack, preventing it from returning
This is a fairly straightforward aristocrats-style deck, complete with all your typical Blood Artist impressionists (Falkenrath Noble and Cruel Celebrant), sac outlets with Yahenni, Undying Partisan or Bartolome del Presidio, and more
copying it and attacking right away is better
5 Trevenant (013/167) From Twilight Masquerade The main draw of Trevenant, besides its impressive card art that showcases its immense size, lies in its ability to heal itself