Triskelavus
{7}
Artifact Creature -- Construct
1/1
Flying
~this~ enters with three +1/+1 counters on it.
{1}, Remove a +1/+1 counter from ~this~: Create a 1/1 colorless Triskelavite artifact creature token with flying. It has "Sacrifice ~this~: ~this~ deals 1 damage to any target."