Ulamog's Dreadsire + Thornbite Staff + Phyrexian Altar

Ulamog's Dreadsire
Thornbite Staff
Phyrexian Altar

Requires
Ulamog's Dreadsire must be on the battlefield. Thornbite Staff must be on the battlefield. Phyrexian Altar must be on the battlefield. Thornbite Staff attached to Ulamog's Dreadsire. Ulamog's Dreadsire does not have summoning sickness.
Steps
  1. Activate Ulamog's Dreadsire by tapping it, creating a 10/10 Eldrazi creature tokens.
  2. Activate Phyrexian Altar by sacrificing the Eldrazi token, adding one mana of any color.
  3. When the Eldrazi token dies, Ulamog's Dreadsire triggers, untapping Ulamog's Dreadsire.
  4. Repeat.
Results
Infinite colored mana. Infinite death triggers. Infinite ETB. Infinite LTB. Infinite sacrifice triggers.

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