Cadaverous Bloom + Oath of Lim-Dûl

Cadaverous Bloom
Oath of Lim-Dûl

Requires
Cadaverous Bloom must be on the battlefield. Oath of Lim-Dûl must be on the battlefield. Mana needed: bb
Steps
  1. Activate Oath of Lim-Dûl by paying bb, causing you to draw a card.
  2. Activate Cadaverous Bloom by exiling a card from your hand, adding bb.
  3. Repeat.
Results
Exile your library. Infinite draw triggers.