Due Diligence is a common Enchantment — Aura card from Magic: The Gathering (Murders at Karlov Manor, MKM). Current market price: $0.14.
Common
Murders at Karlov Manor (MKM)
{2}{W}
Mana Value
3
Colors
W
Card Text
Enchant creature
When this Aura enters, target creature you control other than enchanted creature gets +2/+2 and gains vigilance until end of turn.
Enchanted creature gets +2/+2 and has vigilance.
