The Master, Formed Anew, Ruthless Technomancer, Spark Double, and Training Grounds

Prerequisites

• The Master, Formed Anew in hand or in the command zone
• Ruthless Technomancer in exile
• Spark Double on the battlefield
• Training Grounds on the battlefield
• plus enough mana to pay for commander tax, if applicable available

Steps

1. Cast The Master either from your hand or from the command zone by paying plus command tax, if applicable, choosing to have it enter the battlefield as a copy of Ruthless Technomancer
2. When The Master enters the battlefield, it triggers, causing you to sacrifice Spark Double and create at least two Treasure tokens
3. Activate a Treasure by tapping and sacrificing it, adding
4. Activate The Master by paying and sacrificing a Treasure, returning Spark Double from your graveyard to the battlefield as a copy of The Master, which causes the Spark Double to be a copy of Ruthless Technomancer
5. When Spark Double enters the battlefield, it triggers, causing you to sacrifice The Master and create two Treasure tokens
6. Activate a Treasure by tapping and sacrificing it, adding
7. Activate Spark Double by paying and sacrificing a Treasure, returning The Master from your graveyard to the battlefield as a copy of Ruthless Technomancer
8. Repeat from step 2

Results

• Infinite LTB
• Infinite ETB
• Infinite sacrifice triggers
• Infinite death triggers