First Day of Class Combos
Diamond Lion + First Day of Class + Dross Scorpion
First Day of Class + Murderous Redcap + Viscera Seer
First Day of Class + Putrid Goblin + Skirk Prospector
Kiki-Jiki, Mirror Breaker + Agatha's Soul Cauldron + First Day of Class
Combo result
Infinite creature tokens with haste. Infinite ETB. Infinite LTB. Infinite death triggers. Infinite sacrifice triggers.
Prerequisites
Kiki-Jiki exiled by Agatha's Soul Cauldron. Agatha's Soul Cauldron on the battlefield. First Day of Class in hand. You control at least one other creature that has at least one +1/+1 counter on it and that does not have summoning sickness. {R} available.
Putrid Goblin + First Day of Class + Altar of Dementia
Putrid Goblin + First Day of Class + Carrion Feeder
Putrid Goblin + First Day of Class + Goblin Bombardment
Putrid Goblin + First Day of Class + Sling-Gang Lieutenant
Combo result
Infinite ETB. Infinite LTB. Infinite death triggers. Infinite sacrifice triggers. Infinite lifegain. Infinite lifegain triggers. Infinite lifeloss.
Prerequisites
All permanents on the battlefield. First Day of Class in hand. Putrid Goblin does not have a -1/-1 counter on it. {R} available.