Dragon Mantle

Oracle Text

Enchant creature

When Dragon Mantle enters the battlefield, draw a card.

Enchanted creature has "R: This creature gets +1/+0 until end of turn."

Card Rulings

9/15/2013 If the target of an Aura is illegal when it tries to resolve, the Aura won’t resolve. The Aura doesn’t enter the battlefield, so you won’t get to draw a card.