In the early game, it can be used to either set up a win condition or, in worse situations, dig for a necessary land, and in the late game, it can be pitched for a bit of card draw to get something you know you need
Introducing the Melodious Key Cards The melodious theme is composed of different cards, and to optimize your experience, we will only focus on the cards that see competitive play
Since Ojer Axonil, Deepest Might will almost always be played in a burn deck, hitting the threshold to deal four or more noncombat damage is trivial to accomplish to get the front-side back.
I will try and keep the aspects that relate to the tribal cards on this list brief
(2013-10-17) The ability wont trigger when a creature attacks a planeswalker controlled by the enchanted player
This means, that the cost of activating the ability (1 colorless energy) is meaningless if the rival has an ability that costs 3 energy (from any type), as Ditto won't be able to use the attack, and will waste its turn doing basically nothing