Chucky

Nightmare (Whenever this creature enters the battlefield, or leaves your graveyard, target
opponent chooses one that they can perform)
- Opponent gains 6 life
- Sacrifice an artifact or enchantment
- Create a 0/3 colorless doll token that has "At
the beginning of your upkeep, this creature
deals 1 damage to you"
"We're friends 'til the end! Remember?"
- Chucky, Child's Play (1988)