Brim Finnegan

Grym phantom - First strike (This card gets first
strike if there is a creature with grym phantom in your
graveyard. If this card is in your graveyard, creatures
you control with grym phantom gain first strike.)
{1}{b},{t}: Venture into the dungeon. Activate only
as a sorcery (Enter the first room or advance to the
next.)
{1}{r}: Brim Finnegan gets +1/+0 until end of turn