You want to make sure that you are able to cast all of your spells, and cast them on time
Luckily, a handful of cards from Archazia's Island have been revealed, giving players an insight into what they can expect when the set finally releases

Gallery and List of Foretell Cards Alrund's Epiphany Augury Raven Battle Mammoth Behold the Multiverse Cosmic Intervention Cosmos Charger Crush the Weak Delayed Blast Fireball Demon Bolt Depart the Realm Doomskar Doomskar Oracle Doomskar Titan Dual Strike Dwarven Reinforcements Frost Fair Lure Fish Glorious Protector Gods' Hall Guardian Green Slime Haunting Voyage Impending Flux Iron Verdict Jarl of the Forsaken Kaya's Onslaught Lifestream's Blessing Lupine Harbingers Mammoth Growth Mystic Reflection Poison the Cup Quakebringer Ravenform Return Upon the Tide Rise of the Dread Marn Sage of the Beyond Sarulf's Packmate Saw It Coming Scorn Effigy Shepherd of the Cosmos Skull Raid Sozin's Comet Spectral Deluge Starnheim Unleashed Stoic Farmer Struggle for Skemfar Surge of Brilliance Tales of the Ancestors Tergrid's Shadow The Foretold Soldier Ultimate Magic: Holy Ultimate Magic: Meteor Vengeful Reaper Warhorn Blast Best Foretell Cards #10

A lack of red or green makes me slightly suspicious as it cuts off easy access to the wombo-combo of double strike and trample, but tricks and equipment that grant flying probably make up for that
Shadowspear easily makes the top 10 equipment
With Caesar having been prominently featured in Fallout: New Vegas, its great to see that this Universes Beyond set is going beyond the most obvious characters and even the mainline, numbered Fallout games for its cards