Basalt Monolith + Workshop Elders + Training Grounds

Basalt Monolith
Workshop Elders
Training Grounds

Requires
Basalt Monolith must be on the battlefield. Workshop Elders must be on the battlefield. Training Grounds must be on the battlefield. Basalt Monolith does not have summoning sickness.
Steps
  1. At the beginning of combat, Workshop Elders triggers, making Basalt Monolith a 0/0 artifact creature until end of turn and putting four +1/+1 counters on it.
  2. Activate Basalt Monolith's first ability by tapping it, adding .
  3. Activate Basalt Monolith's last ability by paying 1, untapping it.
  4. Repeat.
Results
Infinite colorless mana.

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Instants
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