How can you create a combo with Nim Deathmantle, Phyrexian Altar, Great Whale?
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[START OF COMBO]This combo can be formed with Nim Deathmantle, Phyrexian Altar, Great Whale

Color identity: U
Mana cost: 
Steps:
  1. Activate up to seven lands by tapping them, adding at least {3}.
  2. Activate Phyrexian Altar by sacrificing Great Whale, adding one mana of any color.
  3. When Great Whale dies, Nim Deathmantle triggers, returning Great Whale from your graveyard to the battlefield, and attaching Nim Deathmantle to it.
  4. When Great Whale enters the battlefield, it triggers, untapping up to seven lands.
  5. Repeat.
  6. If the lands can tap to produce at least {4}, this combo nets infinite mana.[END OF COMBO STEPS]

Result:
  - Infinite colored mana
  - Infinite death triggers
  - Infinite enters the battlefield
  - Infinite leaves the battlefield
  - Infinite sacrifice triggers
  - Infinite untap of lands you control[END OF COMBO RESULT][END OF COMBO]

Other prerequisites:
  - All permanants must be on the battlefield
  - You control up to seven lands that can tap to produce at least {3}.
[END OF COMBO PREREQUISITES]
assistant