If an Adventure spell leaves the stack in any way other than resolving (most likely by being countered or by failing to resolve because its targets have all become illegal), that card won't be exiled and the spell's controller won't be able to cast it as a permanent later
The name of at least one face must be written on the substitute card, and any other information visible on either face of the card may also be written
What sets this card apart is the inclusion of Articuno and Moltres in the background, uniting the legendary bird trio in a single, action-packed composition
It's creatures-only, which is a lot worse than Teferi's Protection, but I think that's a Mount-Everest-level hill to climb and it's still a great choice
Dimir Spybug is one of those cards
When your opponent does play a powerful creature, use a removal or counter spell to get it into their graveyard and boom, pay a paltry amount of mana and that puppy rises again, but this time on your side as an unholy abomination of itself