Lurking Roper + Quicksilver Dagger + Loxodon Warhammer

Lurking Roper
Quicksilver Dagger
Loxodon Warhammer

Requires
Lurking Roper must be on the battlefield. Quicksilver Dagger must be on the battlefield. Loxodon Warhammer must be on the battlefield.
Steps
  1. Activate Lurking Roper by tapping it, dealing 1 damage to an opponent and causing you to draw a card and gain 1 life.
  2. Lurking Roper triggers, untapping itself.
  3. Repeat.
Results
Infinite card draw. Infinite draw triggers. Near-infinite damage. Near-infinite lifegain. Near-infinite lifegain triggers.