Demonic Pact: You can only play this card when you are certain the game is yours with it, otherwise, it will lose you the game, which is fair for a 'Pact' card
Diversion Unit Having a counterspell attached to a good flying creature is usually good in Constructed MTG, and in this case, you dont even need to tap it
And this noivern looks insane, despite how much i hate noivern
D&D Classes A big part of D&D is your characters class, so I wanted to represent that here
Quote If a card in your Pendulum Zone(s) or a Spellcaster monster is targeted by your opponent's effect: Target 1 Wyrm monster you control that would be an appropriate target
Only, this time, for each rock-type card you find, you can instead remove a card from your opponents field