Nerd Goliath

Trample, vigilance, double strike
When Nerd Goliath enters the battle field, create 2 0/0 homework artifacts
If Nerd Goliath has 4 +2/+2 counters on it, create a 2/3 nerd minion with flying
Sacrifice homework artifact, Nerd Goliath
gets a +2/+2 counter on it