Together Forever + Ashnod's Altar + First Day of Class + Crookshank Kobolds

Together Forever
Ashnod's Altar
First Day of Class
Crookshank Kobolds

Requires
Together Forever must be on the battlefield. Ashnod's Altar must be on the battlefield. First Day of Class must be in hand. Crookshank Kobolds must be in hand. Mana needed: 2
Steps
  1. Cast First Day of Class, allowing yourself to loot once due to learn and making it so whenever a creature enters the battlefield under your control this turn a +1/+1 counter will be put on it.
  2. Cast Crookshank Kobolds.
  3. First Day of Class triggers, putting a +1/+1 counter on Crookshank Kobolds.
  4. Activate Together Forever by paying 1, making it so the next time Crookshank Kobolds dies this turn, it returns to your hand.
  5. Activate Ashnod's Altar by sacrificing Crookshank Kobolds, adding 2.
  6. Together Forever triggers, returning Crookshank Kobolds to your hand.
  7. Repeat.
Results
Infinite colorless mana. Infinite death triggers. Infinite ETB. Infinite LTB. Infinite sacrifice triggers. Infinite storm count.