Aether Revolt/Card comparisons

Cards from Aether Revolt compared to cards from earlier sets.

Strictly better

 * Disallow is strictly better than Voidslime and Cancel.
 * Druid of the Cowl is strictly better than Orochi Sustainer and Wirewood Elf.
 * Hungry Flames is strictly better than Lunge.
 * Ice Over</c> is strictly better than Coma Veil</c>, Dehydration</c>, Glimmerdust Nap</c>, Inertia Bubble</c>, Merseine</c>, Paralyzing Grasp</c> and Spectral Prison</c>.
 * Lathnu Sailback</c> is strictly better than Fire Elemental</c>.
 * Outland Boar</c> is strictly better than Rhox Brute</c>.
 * Reverse Engineer</c> is strictly better than Tezzeret's Ambition</c>.

Colorshifted

 * Inspiring Roar</c> is a colorshifted version of Titania's Boon</c> (green to white).