For example, Zirda may be in your starting deck even if your other permanent cards dont all have activated abilities
When Leyline Binding comes into play, you get to exile a permanent for as long as Leyline Binding is in play
6 Cinderella: Stouthearted 117/204, Steel Cinderella: Stouthearted is an especially appealing Disney Lorcana: Rise of the Floodborn card for any deck with Steel , as this high-cost card has exceptional defensive abilities
Other graveyard commanders usually push us to either fill our graveyard with as many cards as possible, or to get specific cards there to set up a particular combo
Mewtwo ex (Psychic / Genetic Apex) The original legendary can do 150 damage, but it discards two energy in the process
Turntimber Symbiosis / Turntimber, Serpentine Wood Being able to play this untapped if you need to is a big deal, and really lowers the opportunity cost for including this in your deck