Eternal Card Game

Expedition is a game mode in Eternal where available cards are isolated to certain sets. This means that the approach to winning 5 games consecutively will rely on the current meta and the cards/shiftstone available to the player and will continuously shift.

While this isn't the only outlet for learning about the current meta, this website:

https://eternalwarcry.com

is a great resource to look up net decks that will give you a sense of what the current meta game is.