How can you create a combo with Sharuum the Hegemon, Ratadrabik of Urborg, Phyrexian Altar?
user
[START OF COMBO]This combo can be formed with Sharuum the Hegemon, Ratadrabik of Urborg, Phyrexian Altar

Color identity: WUB
Mana cost: 
Steps:
  1. Activate Phyrexian Altar by sacrificing Sharuum, adding one mana of any color.
  2. Sharuum dies, triggering Ratadrabik, creating a nonlegendary copy of Sharuum that is a 2/2 Zombie in addition to its other types.
  3. The Sharuum token enters the battlefield, returning Sharuum from your graveyard to the battlefield.
  4. Sharuum enters the battlefield, returning any artifact from your graveyard to the battlefield.
  5. Repeat.[END OF COMBO STEPS]

Result:
  - Infinite blinking of artifact creatures
  - Infinite colored mana
  - Infinite creature tokens
  - Infinite death triggers
  - Infinite enters the battlefield
  - Infinite leaves the battlefield
  - Infinite sacrifice triggers
  - Put all artifacts from your graveyard onto the battlefield[END OF COMBO RESULT][END OF COMBO]

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