cards with descend mtg upon the Sinful (Prerelease) (Shadows over Innistrad) | Promo Delirium Put a 4/4 white Angel creature token with flying onto the battlefield if there are four or more card types among cards in your graveyard. Descend for new player :

which prevents the player from hanging onto a card they were hoping to play soon

It isnt a defender

Commander decks typically make the most use of token doublers (many are only legal in EDH), but more than a few of these cards had their day in their respective Standard environment

you may look at the top card of their library any time, you may play the top card of their library, and you may spend mana as though it were mana of any color to cast spells this way. We already wrote about this floating eyeball in-depth, but the long and short of it is that you can always choose the best player for whatever you need, and thats the kind of flexibility you really want in any deck, let alone in your commander