You must still pay all costs and follow any timing restrictions and permissions for artifact spells you cast from your graveyard this way
Theres a good chance they will be able to attack even if they couldnt before, and if they already could, they will attack for a ton
Other than those two cards, it usually felt like you were taking the game over simply by overwhelming the opponent with how many good ways you had to deal with their creatures, while still actually having a collection of powerful cards
However, thanks to the power of friendship and a little thing called Rule Zero, it's probably fine in most casual settings
Under $10 Ashaya, Soul of the Wild If you hate Cyclonic Rift with a white-hot rage, might I suggest building a deck with Ashaya, Soul of the Wild as your commander