Temur Sentinel

{t}{1}{g}{u}{r} Create a 4/4 green blue and red human warrior token with trample
{5}{g}{u}{r} Until end of turn Temur Sentinel becomes a 7\4 Artifact warrior with trample
and whenever Temur Sentinel deals combat damage reveal the top ten cards of your
library from among those cards you may put into your hand any cards named Surrak Dragonbane