It isn't an overly powerful card, but with the right strategy, its ability can be quite the force to be reckoned with
Frontier Frontier allows you to play with only sets legal from Magic 2015 onward
Allowing you to cast lands and Birds off the top of your library, this card is a staple in Landfall strategies
In addition to Kethiss powerful recursive ability, filling the graveyard enables threats like Primevals' Glorious Rebirth and Eerie Ultimatum to resurrect a devastating board state
Whichever combination of energy you ran, Aetherworks Marvel was worth including, but it was also just stupid with Ulamog, the Ceaseless Hunger still in the format
However, the defender creature [c]Brimstone Trebuchet[/c] does have reach, so it use it to block Arcanists Owl instead