Cain Sidhe, King of the Fey

Infect, Cain Sidhe cannot gain +1/+1 counters,
Cain Sidhe's power and toughness equals the
number of infect creatures on the battlefield.
{u}{r}{g}May only be activated once per turn all
players sacrifice a creature then roll a D6, if they rolled a 5 or 6 they create a 1/1 artifact creature construct token with infect and flying, otherwise
create an artifact crystal corpse token with
"sacrifice - gain {1}".