Candy Mountain

Saga
(At this saga enters and after your upkeep, add a lore counter. Sacrifice after III)

I - Choose up to three players. Each of those players creates a 2/2 White Unicorn Creature Token.
II - Each player with a Unicorn searches their library for a basic land.
III - Each player sacrifices all Unicorn tokens they control and you create an X/X Black Mimic Creature Token where X equals the number of Unicorns sacrificed this way.