Erwin Smith, 13th Commander

When Erwin Smith, 13th Commander
enters the battlefield, create X 1/1 Scout tokens,
where X is the number of mana spent to cast this
spell.
When Erwin Smith, 13th Commander attacks,
create a 1/1 Scout token that must attack
alongside him.
"Peace between man will never be certain; not until
our numbers fall to one or less."