Spawning Pit + Ojer Taq, Deepest Foundation + Krark-Clan Ironworks

Spawning Pit
Ojer Taq, Deepest Foundation
Krark-Clan Ironworks

Requires
Spawning Pit must be on the battlefield. Ojer Taq, Deepest Foundation // Temple of Civilization must be on the battlefield. Krark-Clan Ironworks must be on the battlefield. Mana needed: 1
Steps
  1. Activate Spawning Pit's second ability by paying 1 and removing two charge counters from it, creating three 2/2 Spawn artifact creature tokens.
  2. Activate Krark-Clan Ironworks by sacrificing a Spawn, adding .
  3. Activate Spawning Pit's first ability twice by sacrificing two Spawns, putting two charge counters on Spawning Pit.
  4. Repeat.
Results
Infinite death triggers. Infinite ETB. Infinite LTB. Infinite sacrifice triggers.

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