Squirrel Wrangler, Phyrexian Altar, Mana Echoes, and Drownyard Temple

Prerequisites

• Squirrel Wrangler on the battlefield
• Phyrexian Altar on the battlefield
• Mana Echoes on the battlefield
• Drownyard Temple on the battlefield
• available

Steps

1. Activate Squirrel Wrangler by paying and sacrificing Drownyard Temple, creating two 1/1 Squirrel creature tokens
2. Both Squirrel tokens enter the battlefield, triggering Mana Echoes twice
3. Resolve both Mana Echoes triggers, adding for each Squirrel on the battlefield
4. Activate Drownyard Temple by paying , returning it from your graveyard to the battlefield tapped
5. Activate Phyrexian Altar by sacrificing a Squirrel token, adding
6. Repeat

Results

• Infinite colored mana
• Infinite colorless mana
• Infinite creature tokens
• Infinite death triggers
• Infinite ETB
• Infinite landfall triggers
• Infinite LTB
• Infinitely large Squirrels until end of turn
• Infinite sacrifice triggers