Royal Tomb

When this enters you become the Monarch.
{t} Put a charge counter on Royal Tomb,
if you're the Monarch you may pay {2} and
venture into the dungeon. Otherwise add {b}.
{t} Sacrifice Royal Tomb, if you're the Monarch venture into the dungeon at the beginning of
your upkeep for the next X turns where X is the number of charge counters on Royal Tomb.