Aura the Maiden

+1: Until your next turn, creatures with less toughness than Aura the Maiden's loyalty can't attack you or planeswalkers you control.
-2: Draw up to X cards, where X is the number of creatures that attacked since the beginning of your last end step.
-7: You get an emblem with "Creatures you control gain Haste, Flying, Vigilance, and +X/+0 where X is their toughness."