Guilds of Ravnica

Bounty Agent | Creature | Human Soldier | Vigilance {T}, Sacrifice Bounty Agent: Destroy target legendary permanent that's an artifact, creature, or enchantment. | Randy Vargas

Dawn of Hope | Enchantment | | Whenever you gain life, you may pay {2}. If you do, draw a card. {3}{W}: Create a 1/1 white Soldier creature token with lifelink. | Sung Choi

Swiftblade Vindicator | Creature | Human Soldier | Double strike, vigilance, trample | Viktor Titov

Response | Instant | | Response deals 5 damage to target attacking or blocking creature. | Daarken

Emmara, Soul of the Accord | Legendary Creature | Elf Cleric | Whenever Emmara, Soul of the Accord becomes tapped, create a 1/1 white Soldier creature token with lifelink. | Mark Winters

Assure | Instant | | Put a +1/+1 counter on target creature. That creature gains indestructible until end of turn. | Jason A. Engle