Metalsmith Warriors

Metalsmith Warriors cannot attack unless your opponent attacked on their last turn.
{x}{t}: Put X +1/+1 counters on a card named
Lord Metalsmith, Prince Metalsmith, or Lord Metalsmith's Executioner.
{1}{t}: Matalsmith Warriors deal damage to target creature equal to Metalsmith Warriors power.
{t}: Metalsmith Warriors deal 1 damage to any
target.
"That's a lot of firepower"
General of the New Order's last words.