Custom Canine Carrier

Vigilance, Menace, Skulk.

Whenever Custom Canine Carrier deals combat damage to an opponent, create that many 1/1 blue Fairy creature tokens with Flying.

Fetch - Pay 2 life, {t}: Regenerate target Fairy token.

Old Dog - {5}{w}{u}: Choose an errata, such as "multiple sources of Lifelink do not stack". That errata is suspended for the duration of the game. Activate this ability only once.