How can you create a combo with Blood Artist, Reassembling Skeleton, Carnival of Souls, Phyrexian Altar?
user
[START OF COMBO]This combo can be formed with Blood Artist, Reassembling Skeleton, Carnival of Souls, Phyrexian Altar

Color identity: B
Mana cost: {B}
Steps:
  1. Activate Phyrexian Altar by sacrificing Reassembling Skeleton, adding one mana of any color.
  2. Blood Artist trigger, causing target player to lose 1 life and gaining you 1 life.
  3. Activate Reassembling Skeleton by paying {1}{B}, returning it to the battlefield.
  4. Reassembling Skeleton enters the battlefield triggering Carnival of Souls.
  5. Resolve the Carnival of Souls trigger by losing one life and adding {B}.
  6. Repeat.[END OF COMBO STEPS]

Result:
  - Infinite damage
  - Infinite enters the battlefield
  - Infinite leaves the battlefield
  - Infinite sacrifice triggers[END OF COMBO RESULT][END OF COMBO]

Other prerequisites:
  - All permanants must be on the battlefield
[END OF COMBO PREREQUISITES]
assistant