Trevor, Titan of Time

Whenever a player casts a spell or draws a card,
Trevor, Titan of Time, gets a time counter
{t}: remove any number of time counters
and put that many +1/+1 counters on it Trevor,
Titan of Time
As long as Trevor, Titan of Time has more than
8 time counters, it has vigilance, shroud, trample
"Time to die."