how do adventure cards work mtg Can somebody please explain this mechanic works? New to MTG and I'm

Green Dragon, for example, is a six-mana 4/4 with flying and the Poison Breath ability

Considering how grindy matches with this deck gets, it will get out of control quickly

While artifacts usually come in the form of cards that sit on the battlefield while providing a static ability or equipment that can be used to augment a creature, vehicles feature a mechanic called "crew." Each vehicle card comes with a "crew costs." This determines how much total power from creatures are required to be tapped in order to turn that vehicle into a creature until the end of turn

There are a few creatures that can draw you cards