Vindictive Pact

As an additional cost to cast this spell, discard
two cards and pay 2 life.
Whenever a spell or permanent you control deals
damage to an opponent, exile the top card of
your library. You may play it until the end of
your next turn, and it costs {1} less to cast.
"The time has come at last for Quagmire to pay for
their ancestors' foul acts of cowardice. I shall make
the land shudder in fear and repent!" - Ivory