Gideon's Blackblade

: Equip legendary creature: {W}{W} Equip: 2{W}{W}
+2: Equipped creature gets +1/+1 and your choice of vigilance, lifelink, first strike, or indestructible until end of turn.
-X: X must be 5 or more. Equipped creature gets +x/+x and vigilance and until end of turn. Create x 2/2 white Soldier creature tokens with haste.