Gather the Townsfolk

Create two 1/1 white Human creature tokens.
Fateful hour — If you have 5 or less life, create five of those tokens instead.

Resolute Reinforcements

Flash
When Resolute Reinforcements enters the battlefield, create a 1/1 white Soldier creature token.

Create two 1/1 white Soldier creature tokens.

Whenever Haazda Marshal and at least two other creatures attack, create a 1/1 white Soldier creature token with lifelink.

Battalion — Whenever Boros Elite and at least two other creatures attack, Boros Elite gets +2/+2 until end of turn.

Create three 1/1 white Spirit creature tokens with flying.

Exile target creature. Its controller gains life equal to its power.

Target creature becomes white until end of turn. Tap that creature.
Draw a card.

The owner of target nonland permanent shuffles it into their library, then draws two cards.