Even though were casting madness spells off Lightning Axe a good chunk of the time, we always have the option to pay the full six and skip the discard clause
Not only is this a powerful effect, but it doesn't target or destroy either
The Useful Cards As mentioned above, almost all of the cards from the "Spellbook" and "Prophecy" archetypes are basically unplayably bad in today's meta, and there are a lot of them
You ignore the color identity rule in deck building
An obvious reason for this is that a screen split between four battlefields would get too small for you to see everything in a clear and structured manner
The Cid, Timeless Artificer cards are 4/4 creatures that cost four mana (one blue, one white, and two of any color), with Cycling, letting the player spend a white and a blue mana to discard the card to draw a card