Hawkeye's Bow + Clever Conjurer + North Pole Patrol Combo

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

Activate Clever Conjurer by tapping it, targeting North Pole Patrol.

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

Resolve the Clever Conjurer ability, untapping North Pole Patrol.

Activate North Pole Patrol by tapping it, targeting Clever Conjurer.

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 Clever Conjurer.

Repeat.

Infinite damage