Loki, Asgards Savior

More Than Meets the Eye {1}{r}{w}{b} (You
may cast this card converted for {1}{r}{w}{b})
Your opponents can't cast spells during
combat.
At the beginning of your postcombat
main phase, you may convert Loki
If you do, add {c} for each 1 life your
opponents have lost this turn.