How can you create a combo with Elemental Mastery, Galvanic Juggernaut, Altar of Dementia?
user
[START OF COMBO]This combo can be formed with Elemental Mastery, Galvanic Juggernaut, Altar of Dementia

Color identity: R
Mana cost: 
Steps:
  1. Activate Galvanic Juggernaut by tapping it, creating five 1/1 Elemental creature tokens with haste.
  2. Activate Altar of Dementia by sacrificing an Elemental.
  3. The Elemental dies, triggering Galvanic Juggernaut, untapping Galvanic Juggernaut.
  4. Resolve the Altar of Dementia ability, causing target player to mill cards equal to the Elemental's power.
  5. Repeat.[END OF COMBO STEPS]

Result:
  - Infinite creature tokens with haste
  - Infinite death triggers
  - Infinite enters the battlefield
  - Infinite leaves the battlefield
  - Infinite mill
  - Infinite sacrifice triggers
  - Infinite self-mill[END OF COMBO RESULT][END OF COMBO]

Other prerequisites:
  - All permanants must be on the battlefield
  - Elemental Mastery attached to Galvanic Juggernaut.
  - Galvanic Juggernaut does not have summoning sickness.
[END OF COMBO PREREQUISITES]
assistant