This is a synergistic background for a Abdel Adrian, Gorion's Ward so that you can blink the commander and create creature tokens in return for the nonland permanents you exiled as the commander entered
"I like Lord of the Rings and Magic: The Gathering", Post Malone said when asked why he spent $2 million on "a f**king card"
But I love the way it works on Archon of Cruelty down to the red slash for the mythic on the set symbol
How useful those Blood tokens are going to be in Commander remains to be seen, but theres no opportunity cost with a card like this, so if Vampires are your cup of Blood, I recommend picking up a copy as soon as you can
Card advantage is a strategic concept (rather than a specific game term) and a lot broader, and basically means having more cardboard than my opponents. For starters, any card that puts more cards in your hand is card advantage, even if it doesn't say draw. But card advantage also looks at what happens in other zones
Just remember that you don't have to remove all counters at once , and you can invest your resources in getting your reward in the long run if needed