Hawkeye's Bow + Fatestitcher + North Pole Patrol Combo

All permanents on the battlefield (Hawkeye's Bow attached to either Fatestitcher or North Pole Patrol on the battlefield and Fatestitcher and North Pole Patrol without summoning sickness on the battlefield).

Activate Fatestitcher by tapping it, targeting North Pole Patrol.

If Fatestitcher has Hawkeye's Bow attached to it, Hawkeye's Bow triggers, dealing 1 damage to each opponent.

Resolve the Fatestitcher ability, untapping North Pole Patrol.

Activate North Pole Patrol by tapping it, targeting Fatestitcher.

If North Pole Patrol has Hawkeye's Bow attached to it, Hawkeye's Bow triggers, dealing 1 damage to each opponent.

Resolve the North Pole Patrol ability, untapping Fatestitcher.

Repeat.

Infinite damage