Dungeons & Dragons: Adventures in the Forgotten Realms
Legendary Creature — Elf Shaman
Whenever Delina, Wild Mage attacks, choose target creature you control, then roll a d20. 1-14 | Create a tapped and attacking token that's a copy of that creature, except it's not legendary and it has "Exile this creature at end of combat." 15-20 | Create one of those tokens. Roll again.