Some cards (mostly creatures) don't have any information at all in this area (not counting italics text, which we'll get to in a moment), which means they don't have any special abilities
If you tap four untapped Persistent Petitioners, it will cause your opponent to mill 12 cards
A target opponent may have you draw a card, but if they don't, you may put a creature card with equal or lesser toughness from your hand directly onto the battlefield, cheating its mana cost entirely
Jacques le Vert - D- I suppose you could make an argument for "Jack the Green" being the Naya version of Doran the Siege Tower, but you're definitely reaching
One, for example, gives the player who rolls Chaos a 7/7 colorless Eldrazi token which forces a defending player to sacrifice a permanent when it attacks