Boon-Bringer Valkyrie [March of the Machine Prerelease Promos]Set: March of the Machine Prerelease Promos Type: Creature Angel Warrior Rarity: Rare Cost: {3}{W}{W} Backup 1 (When this creature enters the battlefield, put a +1 +1 counter on target creature. If that's another creature, it gains the following abilities until end of turn.) Flying, first strike, lifelink Her blades were twin beacons, calling the worthy to glory and the wretched to despair.