Meg, Eternal Contender

Arena {b}{u/r}{u/r}{4}
Flying, haste
Whenever Meg, Eternal Contender deals damage
to a player, you may exile a card from that
player's graveyard, if Meg, Eternal Contender is
a contestant you may cast that card until the end
of the turn. You may use mana as though it were
mana of any color to cast the card this way.