Sendy Sidomimi

At the beginning of your upkeep, exile the top
card of each player's library.
During your turn, if an opponent has dealt
damage this turn, you may cast cards exiled with
Sendy Sidomimi and you may spend mana as
though it were mana of any color to cast them.
{b}{r}, {t}: Sendy deals 1 damage to any target.