Bloodgreed Ritualist

Bloodmoney: Deal 1 damage to any creature you control other than Bloodgreed Ritualist.
(At the beginning of your upkeep you may choose to
pay a creature's Bloodmoney's cost. If you do not,
each player in turn order may choose to pay the cost themselves. If they do, they gain control of that
creature.)
{t}: Add X mana of any type where X is equal to
the number of creatures that were dealt damage
this turn.