Tringoros, Gruul Outcast

Bloodthirst 5 (If an opponent was dealt damage this
turn, this creature enters the battlefield with five +1/+1 counters on it.)

Trample, menace
When Tringoros enters the battlefield, if an
opponent was dealt five or more damage this turn, double the number of +1/+1 counters on it.
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"Even the Gruul avoid him."