Sensei's Divining Top + Transplant Theorist + Jhoira's Familiar

Sensei's Divining Top

Transplant Theorist

Jhoira's Familiar

How it works

1. Cast Sensei's Divining Top by paying 0 due to Jhoira's Familiar.
2. When Sensei's Divining Top enters, Transplant Theorist triggers.
3. Holding priority, activate Sensei's Divining Top by tapping it, causing you to draw a card and put Sensei's Divining Top on top of your library.
4. Resolve the Transplant Theorist trigger, causing you to draw Sensei's Divining Top from your library, and then discard a card other than Sensei's Divining Top.
5. Repeat

This clever loop transforms a humble artifact into a self-sustaining engine by taking full advantage of cost reduction and stack manipulation. With Jhoira's Familiar discounting historic spells, Sensei's Divining Top can be cast for free, immediately triggering Transplant Theorist as it enters the battlefield. Before that draw-and-discard trigger even resolves, you tap Sensei's Divining Top to draw a card and place the artifact itself right back on top of your library. When the Transplant Theorist trigger finally resolves, you draw Sensei's Divining Top back into your hand, discard an unwanted card, and leave yourself ready to cast it for zero mana all over again.