Ascend from Avernus + Naru Meha, Master Wizard + Ashnod's Altar

Ascend from Avernus
Naru Meha, Master Wizard
Ashnod's Altar

Requires
Ashnod's Altar on the battlefield. All other cards in hand. 6wwwuu available.
Steps
  1. Cast Ascend from Avernus by paying 4www
  2. Holding priority, cast Naru Meha by paying 2uu
  3. Naru Meha enters the battlefield, creating a copy of Ascend from Avernus
  4. Activate Ashnod's Altar by sacrificing Naru Meha, adding cc
  5. Resolve the copy of Ascend from Avernus, returning all creature and planeswalker cards with mana value four or less from your graveyard to the battlefield
  6. Repeat from step 3
Results
Infinite colorless mana. Infinite ETB. Infinite LTB. Infinite death triggers. Infinite sacrifice triggers. Infinite magecraft triggers. Infinite blinking of all creatures and planeswalkers with mana value four or less.