When Ruthless Technomancer enters the battlefield, it triggers, causing you to sacrifice a nontoken creature you control with power seven or greater, and create at least seven Treasure, seven Food, and seven Clue artifact tokens.
Activate six Treasures by tapping and sacrificing them, adding ({5} magic symbol) ({B} magic symbol) .
Activate Ruthless Technomancer by paying ({2} magic symbol) ({B} magic symbol) and sacrificing at least seven artifacts, returning a nontoken creature you control with power seven or greater from your graveyard to the battlefield.
Repeat.
Results
Infinite blinking.
Infinite card draw.
Infinite Clue tokens.
Infinite colored mana.
Infinite death triggers.
Infinite draw triggers.
Infinite ETB.
Infinite Food tokens.
Infinite lifegain.
Infinite lifegain triggers.
Infinite LTB.
Infinite sacrifice triggers.
Infinite Treasure tokens.
Return all creature cards from your graveyard to the battlefield.