Sprout Swarm + Ashnod's Altar + Primal Vigor

Prerequisites

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Steps

1. 1Cast Sprout Swarm with buyback by paying at most , creating two creature tokens and returning Sprout Swarm from the battlefield to your hand.
2. 2Cast Sprout Swarm with buyback by paying at most and tapping two creature tokens, creating two creature tokens and returning Sprout Swarm from the battlefield to your hand.
3. 3Activate Ashnod's Altar twice by sacrificing two tapped creature tokens, adding
4. 4Repeat from step 2.

Effects

• Infinite colorless mana
• Infinite creature tokens
• Infinite death triggers
• Infinite ETB
• Infinite LTB
• Infinite magecraft triggers
• Infinite sacrifice triggers
• Infinite storm count