Steely Resolve 

Enchantment
As this enchantment enters, choose a creature type. Creatures of the chosen type have shroud. (They can't be the targets of spells or abilities.)
Legality
standardNOT LEGALpioneerNOT LEGALmodernNOT LEGALlegacyLEGALvintageLEGALcommanderLEGAL