One of the biggest debates in the community is whether or not the Reserved List is a legally binding promise: could someone with a huge collection of old Reserved List cards sue Wizards if it started reprinting cards on the Reserved List
The Vault opens when it reaches 1,000 points
Teferis Moat is one such example where the reference is quite clear, although it puts a different spin on things by caring about the color of creatures that want to attack you
There are four factions available in the crossover Imperials, Necrons, Chaos, and Tyranids and these have been matched to four of the default colours from Magic: The Gathering (white, black, red, and green) with adaptions to suit the tabletop playstyle of the miniatures game
Aetherize is a fun card to have to protect yourself
It makes for a completely niche but novel strategy