Megumi, Cursed Summoner

Shadow

Whenever Megumi deals combat damage to a player, you
may pay {w}{u}{b}{r}{g} any number of times. When you pay this cost one or more times, search your library for that
many nonlegendary creature or equipment cards, put those permanents onto the battlefield, then shuffle.

{b}{b}, Pay 20 life, {t}: Create Mahoraga, a legendary 13/13 black Spirit Horror creature token with haste, indestructible and trample.