First printed in Ice Age (1995)
Norritt 
Creature — Imp
: Untap target blue creature.: Choose target non-Wall creature the active player has controlled continuously since the beginning of the turn. That creature attacks this turn if able. Destroy it at the beginning of the next end step if it didn't attack this turn. Activate only before attackers are declared.
Combos
23 combos from Commander Spellbook, the most popular first.
- Infinite untap of legendary creatures you control, Infinite mana legendary creatures you control can produce: Ioreth of the Healing House + Norritt (+ 1 other requirement)
- Infinite draw triggers, Infinite looting…: Norritt + Unctus, Grand Metatect
- Infinite untap of legendary creatures you control, Infinite mana legendary creatures you control can produce: Ioreth of the Healing House + Leyline of Singularity + Norritt
- Infinite creature tokens with haste, Infinite death triggers…: Blind Seer + Kiki-Jiki, Mirror Breaker + Norritt + To Arms!
- Infinite creature tokens with haste, Infinite death triggers…: Kiki-Jiki, Mirror Breaker + Neurok Transmuter + Norritt + To Arms!
- Infinite creature tokens with haste, Infinite death triggers…: Kiki-Jiki, Mirror Breaker + Norritt + Thoughtlace + To Arms!
- Infinite creature tokens with haste, Infinite death triggers…: Kiki-Jiki, Mirror Breaker + Metathran Transport + Norritt + To Arms!
- Infinite creature tokens with haste, Infinite death triggers…: Fylamarid + Kiki-Jiki, Mirror Breaker + Norritt + To Arms!
- Infinite creature tokens with haste, Infinite death triggers…: Kiki-Jiki, Mirror Breaker + Norritt + Scuttlemutt + To Arms!
- Infinite creature tokens with haste, Infinite death triggers…: Kiki-Jiki, Mirror Breaker + Norritt + Painter's Servant + To Arms!
Legality
Constructed
- Standard Not legal
- Pioneer Not legal
- Modern Not legal
- Legacy Legal
- Vintage Legal
- Pauper Legal
- Future Standard Not legal
- Historic Not legal
- Timeless Not legal
- Alchemy Not legal
- Penny Dreadful Not legal
- Premodern Legal
- Old School 93/94 Not legal
Singleton
- Gladiator Not legal
Commander formats
- Commander Legal
- Duel Commander Legal
- Pauper Commander Legal
- PreDH Legal
- Tiny Leaders Not legal
- Oathbreaker Legal
- Brawl Not legal
- Standard Brawl Not legal
- Competitive Brawl Not legal