Altar of Tokk, God of Gambling

Every time dice are rolled, add blood counters
to Altar of Tokk, God of Gambling equal to
the rolled results.
Remove 7 blood counters, choose one;
•Add a +1/+1 counter to a creature in play.
•Add a -1/-1 counter to a creature in play.
•Create a treasure token
{bull}Deal 2 damage to target creature