mtg green cards that give trample Slime Against Humanity (foil) A deck can have any number of cards named Slime Against Humanity. So now a 5 mana

There are a lot of creature heavy decks in the cube

While they do enter the battlefield tapped, they also let you Surveil 1 as they enter the battlefield

In a deck focused on milling, this ability can provide late-game answers to a host of overwhelming board states from your opponents

Also similar to lands, one of the big reasons that Commander 2018 was so poorly received is that the decks were severely lacking in good colorless cards (in fact, for half of the 2018 decks, the only colorless card worth mentioning was Sol Ring, which has been in every Commander deck since the start of the series)

You have aided your opponent

The ability to always grab two cards (and usually avoid counterspells in doing so) is nice