We definitely want to retain some of the hand and graveyard sculpting, but the hand part will come from slightly more aggressive card draw
If you have Bruna, the Fading Light or Gisela, the Broken Blade as your commander and meld them, the melded creature is still classed as your commander
Fortunately that's a pretty easy question to answer, it just depends on the format you're playing
Persistent Nightmare Color Indicator: Blue Creature Nightmare Skulk (This creature cant be blocked by creatures with greater power.) When this creature deals combat damage to a player, return it to its owners hand
I mean, I'm sure it will be played more often and demand will increase, but supply is going to go through the roof
Mill is a very popular archetype in EDH, and The Water CrystalThe Water Crystal fits perfectly there...And that's probably its only home