Serrated Arrows
Serrated Arrows {4}
Artifact
Serrated Arrows enters the battlefield with three arrowhead counters on it.
At the beginning of your upkeep, if there are no arrowhead counters on Serrated Arrows, sacrifice it.
{T}, Remove an arrowhead counter from Serrated Arrows: Put a -1/-1 counter on target creature.
Latest set: [TSB] Time Spiral "Timeshifted" ( S · #114 )