Memnite Colossus

Memnite Colossus can't be countered.
{1}{t}: Look at the top 10 cards of your library, choose an artifact and put it into the battlefield without paying its mana cost and choose an instant or Sorcery and cast it without paying its mana cost, then exile all other revealed cards.
{8}: Give all your minions +6/+0, infect, indestructible and trample.