Ashphelt Houndmaster

When Ashphelt Houndmaster enters the battlefield, it deals 1 damage to each other creature and you create three 1/1 Hound creature tokens with haste and "Whenever this creature deals combat damage to another creature, that creature can't regenerate during the next end phase."
Sacrifice Ashphelt Houndmaster: Creature tokens you control gain double strike until end of turn.