This last one was special, being the first set Gavin ever worked on even before joining Wizards
His devotion cards
The Kismet tap effect buying a turn to answer Aetherworks Marvel is very impactful, as is being tutorable off Traverse the Ulvenwald Worth noting: the Aether Revolt pseudo-proliferate cards let you choose an opponents permanents
For just [1W], you can swing for 30 damage, but if Keldeo ex moved from the Bench to the Active Spot that turn, the attack jumps up to 120 damage
There is a rule, which says "Your opponent may draw up to 2 cards if you don't have any Basic Pokemon in your starting hand." The way this works is, it has 59 Energy and 1 Mewtwo (Base), and what happens is your opponent draws tons of cards until you get that Mewtwo
These cards mimic exactly that, double exposure photographs that give an eerie feeling