When a creature with afterlife dies, you create a number of 1/1 white and black Spirit creature tokens with flying
Like many of the characters in the kid-centric franchise, Lillie is a child
Essentially, it lets you destroy creatures or artifacts, and then their owner gets to play the same number of random artifacts or creatures from their library
Balamb Garden, SeeD Academy is a tapped dual land in the town colors thats actually an enabler and a payoff for the strategy
Another possibility is elf-ball, where you combine lots of elves that produce mana, Gaea's Cradle or Badgermole Cub, and a big finisher like Blightsteel Colossus to win
Comet may not be the most predictable Pup in the pen, but its hard to resist taking him out for Planeswalkies in Commander regardless