This means that it can be utilized as a combat trick, tripping up opponents while they block
Horn of the Mark - This thing only costs two mana
Being able to blast a player out of the game like this is a quick path to victory, and Dragonspark Reactor offers just such an opportunity
$15.99 Clive, Ifrit's Dominant (0385 - Borderless) Final Fantasy Variants $23.99 Yuna, Hope of Spira (0404 - Borderless) Final Fantasy Variants $79.99 Sephiroth, Fabled SOLDIER (0382 - Borderless) Final Fantasy Variants $9.99 Genji Glove Final Fantasy $7.49 Vincent Valentine (0383 - Borderless) Final Fantasy Variants $39.99 Tifa, Martial Artist (0206 - Borderless) Final Fantasy Commander Decks Variants $29.99 Lightning, Army of One (0400 - Borderless) Final Fantasy Variants $109.99 Buster Sword (0351 - Borderless) Final Fantasy Variants $17.99 Nibelheim Aflame (0339 - Borderless) Final Fantasy Variants $19.99 Aettir and Priwen (0350 - Borderless) Final Fantasy Variants $3.99 Squall, SeeD Mercenary (0402 - Borderless) Final Fantasy Variants $74.99 Cloud, Ex-SOLDIER (0202 - Borderless) Final Fantasy Commander Decks Variants 0 results found

Whereas equipment was trying to fix a problem with auras, double faced cards allowed for cards to have dynamic designs that separately allowed for two distinct states for any given game piece
Its a severe trade off but it can be really helpful if you know that those cards can win you the game that turn