Heroic Intervention protects your entire team from removal, while Spectacular Spider-Man doubles as both a creature and an emergency shield that gives your whole board hexproof and indestructible when you sacrifice it
In casual play, its simply a card you own thats not in your starting deck
Adventure cards debuted in Throne of Eldraine and came back on our second visit to the plane, cementing it as a theme of Eldraine sets
Suffice to say there are good reasons its such a hugely popular phenomenon, and one of them is the tactical depth and excitement of card by card play, with the advantage swinging from one player to the other until someone makes the final, fatal breakthrough
The ability to cast one of the spells in your graveyard each turn make it harder for your opponents to stop you from pulling off a win
Freyalise is, to this day, my favorite planeswalker