They're divided into four categories: Item, Supporter, Tool, and Stadium, each providing unique effects that can empower your strategy
I like Zero for the pure unfettered power level and Lands, of course
(Mana cost includes color.)
Does it share a card type with an exiled card
Both types of blink deck can be extremely powerful, but as most blink cards are white, blue, or both, you almost always need access to at least 1 of these 2 colors in order to build a viable commander deck focused on this strategy
The summoning conditions are loose, it has a high RBI, it sends each other's hand and field to GY with only 1000 LP, and it also deals damage, so it has a wider range than Judgment Dragon and is brutal, but it has the disadvantage that other effects cannot be used due to errata