Its static, which means it affects each and every one of your spells
The set has so much to offer both new and old players alike

3 Blightwing Bandit Bloodthirsty Conqueror Bone Picker Bonepicker Skirge Cairn Wanderer Crystalline Giant Death-Hood Cobra Deathgaze Cockatrice Dragonlord Silumgar Dreaded Bat-Cloud Dreadwing Scavenger Feral Deathgorger Fleetfeather Cockatrice Fumulus, the Infestation Green Goblin, Revenant Grendel, Spawn of Knull Hornet Queen Indominus Rex, Alpha Kathril, Aspect Warper Kessig Recluse Kura, the Boundless Sky Malakir Familiar Neriv, Crackling Vanguard Nightveil Predator Nu and Sumi, Career Criminals Odric, Blood-Cursed Odric, Lunarch Marshal Old-Fashioned Vampire Poison-Tip Archer Qarsi Revenant Rayami, First of the Fallen Rodolf Duskbringer Scriv, the Obligator Searchlight Geist Seraph of the Scales Soulflayer Tegwyll, Duke of Splendor Teysa, Opulent Oligarch The Swarmweaver Thornweald Archer Thunderous Orator Tidehollow Strix Topaz Dragon Urborg Scavengers Vampire Nighthawk Vengeful Reaper Venomthrope Verrak, Warped Sengir Wispdrinker Vampire Witherbloom, the Balancer Zagras, Thief of Heartbeats

Now, obviously some cards are easier to assess than others
I can imagine counter-heavy decks like Talrand, Sky Summoner will be eager to run Unwind
Each Attraction has lights numbered 16 on the right side of its text box, some of which will be lit