Ritsu Nakamori

Burn 2(Each time this creature destroys another creature inflict burn on your opponent)
Flying
Each time Ritsu Nakamori inflicts Burn, your
opponent exiles cards from the top of their
library, you may cast those exiled spells until the
end of turn, you may pay mana as though it was
any color. if you don't cast those spell exiled
spells, on your end step return them to their
owner's graveyard.