Dueling Nexus has the most advanced deck builder in the whole world
The fact that split cards change whether its in your hand, graveyard, or on the stack is important because of how rules consider each spell
Diamond Weapon Commanders with innate mana reduction are always handy because cost reduction reduces command tax, so its easy to cast Diamond Weapon multiple times in a game
cards, the value of Twin Pillars of Ice depends on a few consistent factors: its rarity, the printing and finish (regular or foil), its physical condition, and the set it was printed in (Battles of Legend: Monster Mayhem)
you basically get what you get
Trade in a mana dork for Gaddock TeegGaddock Teeg or sacrifice your Dockside ExtortionistDockside Extortionist for a Lavinia, Azorius RenegadeLavinia, Azorius Renegade to slow down the player who got off to a quick start